<label id="0zjd8"><meter id="0zjd8"></meter></label>
    <label id="0zjd8"></label>

    18157413317
    PRODUCTS CENTER

    產(chǎn)品展示

    當(dāng)前位置:首頁產(chǎn)品展示chroma電力電子大功率直流電子負(fù)載Model 63200A系列大功率直流電子負(fù)載

    大功率直流電子負(fù)載
    產(chǎn)品簡介:

    63200A系列大功率直流電子負(fù)載,主要是供伺服器電源、A/D電源供應(yīng)器、功率電子元件、車用電池、車用直流充電樁及一些電力電子元件等產(chǎn)品測試使用。

    產(chǎn)品型號:Model 63200A系列

    更新時間:2020-12-22

    廠商性質(zhì):經(jīng)銷商

    訪 問 量 :7432

    服務(wù)熱線

    0574-86861636

    立即咨詢
    產(chǎn)品介紹

    大功率直流電子負(fù)載

    ?Model 63200A系列?

    63200A系列,主要是供伺服器電源、A/D電源供應(yīng)器、功率電子元件、車用電池、車用直流充電樁及一些電力電子元件等產(chǎn)品測試使用。

    63200A系列為150V、600V、1200V,三種電壓範(fàn)圍,功率範(fàn)圍由4kW至24kW、單一臺的大電流可達(dá)2000A;透過並聯(lián),大功率更可達(dá)240kW。大功率的電子負(fù)載主要可應(yīng)用於測試車用充電樁與車用電池的放電。

    全系列的型號,皆搭配獨(dú)特的使用者自訂波形(UDW)與外部訊號控制功能,可模擬真實的電流波形;主/從控制的能力,能讓相同電壓規(guī)格的63200A系列電子負(fù)載進(jìn)行並聯(lián)使用,並且可達(dá)到同步動態(tài)的功能: 自動變頻動態(tài)掃瞄功能(亦即不同頻率的負(fù)載模擬) 以滿足電源測試的需求。

    在量測方面,63200A系列亦提供業(yè)界*準(zhǔn)的量測功能,即時且精準(zhǔn)的電壓、電流量測,每個型號都具有三個檔位;此外,透過前面板的VFD顯示器及旋鈕,即可在63200A系列電子負(fù)載上做簡易的操作與設(shè)定,更能透過Ethernet、USB和GPIB等介面進(jìn)行遠(yuǎn)端有線或無線的控制。內(nèi)建的PWM 風(fēng)扇轉(zhuǎn)速控制可減少風(fēng)扇所造成的噪音。

    特點(diǎn)

    ? 額定功率: 4kW、5kW、6kW、24kW

    ? 電壓範(fàn)圍: 150V、600V、1200V

    ? 電流範(fàn)圍:gao達(dá)2000A

    ? 定電流、定電阻、定電壓及定功率操作模式

    ? 定電阻+定電流、定電阻+定電壓、定電流+定電壓等進(jìn)階操作模式

    ? /從並聯(lián)控制,並聯(lián)數(shù)量高達(dá)10

    ? 靜態(tài)與動態(tài)負(fù)載下進(jìn)行同步動態(tài)控制

    ? 使用者自訂波形(UDW)

    ? 定阻抗(CZ)模式模擬電容性負(fù)載開ji

    ? 瞬間過功率拉載

    ? 短路模擬

    ? 智慧型風(fēng)扇控制

    ? 保護(hù)功能:過電流(可調(diào)) 、過溫度、過功率(可調(diào))保護(hù)與過電壓、反向告警

    ? USB(標(biāo)配)、 Ethernet (選配) GPIB (選配) 介面

    大功率直流電子負(fù)載訂購信息

    63204A-150-400 :  150V / 400A/ 4kW

    63205A-150-500 :  150V / 500A / 5kW

    63206A-150-600 :  150V / 600A / 6kW

     63224A-150-2000 :  150V / 2000A / 24kW

    63204A-600-280 :  600V / 280A / 4kW

    63205A-600-350 :  600V / 350A / 5kW

    63206A-600-420 :  600V / 420A / 6kW

    * 63224A-600-1680 :  600V / 1680A / 24kW

    63204A-1200-160 :  1,200V / 160A / 4kW

    63205A-1200-200 :  1,200V / 200A / 5kW

    63206A-1200-240 :  1,200V / 240A / 6kW

    * 63224A-1200-960 :  1,200V / 960A / 24kW

    A600009 : GPIB (200cm)

    A600010 : GPIB (60cm)

    A632006 : NI USB-6211多功能DAQ資料擷取卡

    A636000 : GPIB 介面

    A636009 : Ethernet 介面

    規(guī)格表-1

    Model

    63204A-150-400

    63205A-150-500

    63206A-150-600

    63224A-150-2000

    Voltage*2

    0~150V

    0~150V

    0~150V

    0~150V

    Current

    0~400A

    0~500A

    0~600A

    0~2,000A

    Power*3

    0~4,000W

    0~5,000W

    0~6,000W

    0~24,000W

    Static mode

     

    Min. voltage

    @ full current

     

    0.18V

    @40A

     

    0.9V

    @200A

     

    1.8V

    @400A

     

    0.15

    @50A

     

    0.75V

    @250A

     

    1.5V

    @500A

     

    0.18V

    @60A

     

    0.9V

    @300A

     

    1.8V

    @600A

     

    0.18V

    @200A

     

    0.9V

    @1,000A

     

    1.8V

    @2,000A

    Constant current mode

    Range

    40A

    200A

    400A

    50A

    250A

    500A

    60A

    300A

    600A

    200A

    1,000A

    2,000A

    Accuracy*4

    0.05%+0.05%F.S.

    0.05%+0.05%F.S.

    0.05%+0.05%F.S.

    0.05%+0.05%F.S.

    Constant resistance mode

     

    Range

    0.0075Ω~75Ω(16V)

    0.03Ω~300Ω (80V)

    0.75Ω~1,500Ω(150V)

    0.005Ω~50Ω (16V)

    0.02Ω~200Ω (80V)

    0.5Ω~1,000Ω (150V)

    0.005Ω~50Ω (16V)

    0.02Ω~200Ω (80V)

    0.5Ω~1,000Ω (150V)

    0.0013Ω~12.5Ω (16V)

    0.005Ω~50Ω (80V)

    0.125Ω~250Ω (150V)

    Accuracy

    Vin/Rset*(0.2%)+0.2% IF.S.

    Vin/Rset*(0.2%)+0.2% IF.S.

    Vin/Rset*(0.2%)+0.2% IF.S.

    Vin/Rset*(0.2%)+0.2% IF.S.

    Constant voltage mode

    Range

    16V

    80V

    150V

    16V

    80V

    150V

    16V

    80V

    150V

    16V

    80V

    150V

    Accuracy

    0.025%+0.025%F.S.

    0.025%+0.025%F.S.

    0.025%+0.025%F.S.

    0.025%+0.025%F.S.

    Constant power mode

     

     

    Range

    400W

    2,000W

    4,000W

    500W

    2,500W

    5,000W

    600W

    3,000W

    6,000W

    2,400W

    12,000W

    24,000W

    Accuracy *5

    0.2%+0.2%F.S.

    0.2%+0.2%F.S.

    0.2%+0.2%F.S.

    0.2%+0.2%F.S.

    Constant impedance mode

    Range

    CL : 30µF-50,000µF ; RL : as CR ; Ls: 0.1µH-16µH ; Rs: 30mΩ-20Ω

    CC+CV

    Refer to CC & CV specifications

    CR+CV

    Refer to CR & CV specifications

    CR+CC

    Refer to CR & CC specifications

    Dynamic mode

    T1 & T2

    0.020~99.999ms/

    100ms~99,999ms

    0.020~99.999ms/

    100ms~99,999ms

    0.020~99.999ms/

    100ms~99,999ms

    0.020~99.999ms/

    100ms~99,999ms

    Accuracy

    1µs+100ppm

    1µs+100ppm

    1µs+100ppm

    1µs+100ppm

     

    Slew rate

    0.4mA/µs~4A/µs

    2mA/µs~20A/µs

    4mA/µs~40A/µs

    0.5mA/µs~5A/µs

    2mA/µs~25A/µs

    5mA/µs~50A/µs

    0.5mA/µs~6A/µs

    2mA/µs~30A/µs

    5mA/µs~60A/µs

    2mA/µs~20A/µs

    10mA/µs~100A/µs

    20mA/µs~200A/µs

    Accuracy

    5% ± 10µs

    5% ± 10µs

    5% ± 10µs

    5% ± 10µs

    Min. rise time *6

    10µs (Typical)

    10µs (Typical)

    10µs (Typical)

    10µs (Typical)

    Measurement

    Voltage read back

    Range

    16V

    80V

    150V

    16V

    80V

    150V

    16V

    80V

    150V

    16V

    80V

    150V

    Accuracy

    0.015%+0.015%F.S.

    0.015%+0.015%F.S.

    0.015%+0.015%F.S.

    0.015%+0.015%F.S.

    Current read back

    Range

    40A

    200A

    400A

    50A

    250A

    500A

    60A

    300A

    600A

    200A

    1,000A

    2,000A

    Accuracy

    0.04%+0.04%F.S.

    0.04%+0.04%F.S.

    0.04%+0.05%F.S.

    0.04%+0.04%F.S.

    Power read back

    Range

    0~4,000W

    0~5,000W

    0~6,000W

    0~24,000W

    Accuracy *5

    0.1%+0.1%F.S.

    0.1%+0.1%F.S.

    0.1%+0.1%F.S.

    0.1%+0.1%F.S.

    Protection

    Over Current

    Yes (Settable)

    Yes (Settable)

    Yes (Settable)

    Yes (Settable)

    Over Power

    Yes (Settable)

    Yes (Settable)

    Yes (Settable)

    Yes (Settable)

    Over Temperature

    Yes

    Yes

    Yes

    Yes

    Over Voltage Alarm

    Yes

    Yes

    Yes

    Yes

    Reverse Alarm

    Yes

    Yes

    Yes

    Yes

    General

    Input Resistance (Load Off)

    800kΩ(Typical)

    800kΩ(Typical)

    800kΩ(Typical)

    800kΩ(Typical)

    Dimension (HxWxD)

    175 x 428 x 647 mm /

    6.97 x 16.85 x 25.47 inch

    175 x 428 x 647 mm /

    6.97 x 16.85 x 25.47 inch

    175 x 428 x 647 mm /

    6.97 x 16.85 x 25.47 inch

    574.6 x 428 x 670.5 mm /

    22.62 x 16.85 x 26.40 inch

    Weight

    35kg / 77.2lbs

    35kg / 77.2lbs

    35kg / 77.2lbs

    150kg / 330.69lbs

    Operating Temp

    0~40

    0~40

    0~40

    0~40

    Line Voltage

    100~240 VAC / 47~63Hz

    100~240 VAC / 47~63Hz

    100~240 VAC / 47~63Hz

    100~240 VAC / 47~63Hz

    Power Consumption

    200VA(max)

    200VA(max)

    200VA(max)

    800VA(max)

    EMC & Safety

    CE

    CE

    CE

    CE

     

    規(guī)格表-2

    Model

    63205A-600-350

    63205A-600-350

    63206A-600-420

    63224A-600-1680

    Voltage*2

    0~600V

    0~600V

    0~600V

    0~600V

    Current

    0~280A

    0~350A

    0~420A

    0~1,680A

    Power*3

    0~4,000W

    0~5,000W

    0~6,000W

    0~24,000W

    Static mode

    Min. voltage

    @ full current

    1.4V

    @28A

    7V

    @140A

    14V

    @280A

    1.4V

    @35A

    7V

    @175A

    14V

    @350A

    1.4V

    @42A

    7V

    @210A

    14V

    @420A

    1.4V

    @168A

    7V

    @840A

    14V

    @1,680A

    Constant current mode

    Range

    28A

    140A

    280A

    35A

    175A

    350A

    42A

    210A

    420A

    168A

    840A

    1,680A

    Accuracy*4

    0.05%+0.05%F.S.

    0.05%+0.05%F.S.

    0.05%+0.05%F.S.

    0.05%+0.05%F.S.

    Constant resistance mode

     

    Range

    0.075Ω~750Ω (80V)

    0.3Ω~3,000Ω (150V)

    3Ω~6,000Ω (600V)

    0.05Ω~500Ω (80V)

    0.2Ω~2,000Ω (150V)

    2Ω~4,000Ω (600V)

    0.05Ω~500Ω (80V)

    0.2Ω~2,000Ω (150V)

    2Ω~4,000Ω (600V)

    0.013Ω~125Ω (80V)

    0.05Ω~500Ω (150V)

    0.5Ω~1,000Ω (600V)

    Accuracy

    Vin/Rset*(0.2%)+0.2% IF.S.

    Vin/Rset*(0.2%)+0.2% IF.S.

    Vin/Rset*(0.2%)+0.2% IF.S.

    Vin/Rset*(0.2%)+0.2% IF.S.

    Constant voltage mode

    Range

    80V

    150V

    600V

    80V

    150V

    600V

    80V

    150V

    600V

    80V

    150V

    600V

    Accuracy

    0.025%+0.025%F.S.

    0.025%+0.025%F.S.

    0.025%+0.025%F.S.

    0.025%+0.025%F.S.

    Constant power mode

    Range

    400W

    2,000W

    4,000W

    500W

    2,500W

    5,000W

    600W

    3,000W

    6,000W

    2,400W

    12,000W

    24,000W

    Accuracy *5

    0.2%+0.2%F.S.

    0.2%+0.2%F.S.

    0.2%+0.2%F.S.

    0.2%+0.2%F.S.

    Constant impedance mode

    Range

    CL : 30µF-50,000µF ; RL : as CR ; Ls: 0.1µH-16µH ; Rs: 30mΩ-20Ω

    CC+CV

    Refer to CC & CV specifications

    CR+CV

    Refer to CR & CV specifications

    CR+CC

    Refer to CR & CC specifications

    Dynamic mode

    T1 & T2

    0.020~99.999ms/

    100ms~99,999ms

    0.020~99.999ms/

    100ms~99,999ms

    0.020~99.999ms/

    100ms~99,999ms

    0.020~99.999ms/

    100ms~99,999ms

    Accuracy

    1µs+100ppm

    1µs+100ppm

    1µs+100ppm

    1µs+100ppm

     

    Slew rate

    0.4mA/µs~1.4A/µs

    2mA/µs~7A/µs

    4mA/µs~14A/µs

    0.4mA/µs~1.75A/µs

    2mA/µs~8.75A/µs

    4mA/µs~17.5A/µs

    0.4mA/µs~2.1A/µs

    2mA/µs~10.5A/µs

    4mA/µs~21A/µs

    2mA/µs~8.4A/µs

    10mA/µs~42A/µs

    20mA/µs~84A/µs

    Accuracy

    5% ± 10µs

    5% ± 10µs

    5% ± 10µs

    5% ± 10µs

    Min. rise time *6

    20µs (Typical)

    20µs (Typical)

    20µs (Typical)

    20µs (Typical)

    Measurement

    Voltage read back

    Range

    80V

    150V

    600V

    80V

    150V

    600V

    80V

    150V

    600V

    80V

    150V

    600V

    Accuracy

    0.015%+0.015%F.S.

    0.015%+0.015%F.S.

    0.015%+0.015%F.S.

    0.015%+0.015%F.S.

    Current read back

    Range

    28A

    140A

    280A

    35A

    075A

    350A

    42A

    210A

    420A

    168A

    840A

    1,680A

    Accuracy

    0.04%+0.04%F.S.

    0.04%+0.04%F.S.

    0.04%+0.05%F.S.

    0.04%+0.04%F.S.

    Power read back

    Range

    0~4,000W

    0~5,000W

    0~6,000W

    0~24,000W

    Accuracy *5

    0.1%+0.1%F.S.

    0.1%+0.1%F.S.

    0.1%+0.1%F.S.

    0.1%+0.1%F.S.

    Protection

    Over Current

    Yes (Settable)

    Yes (Settable)

    Yes (Settable)

    Yes (Settable)

    Over Power

    Yes (Settable)

    Yes (Settable)

    Yes (Settable)

    Yes (Settable)

    Over Temperature

    Yes

    Yes

    Yes

    Yes

    Over Voltage Alarm

    Yes

    Yes

    Yes

    Yes

    Reverse Alarm

    Yes

    Yes

    Yes

    Yes

    General

    Input Resistance (Load Off)

    1MΩ(Typical)

    1MΩ(Typical)

    1MΩ(Typical)

    1MΩ(Typical)

    Dimension (HxWxD)

    175 x 428 x 647 mm /

    6.97 x 16.85 x 25.47 inch

    175 x 428 x 647 mm /

    6.97 x 16.85 x 25.47 inch

    175 x 428 x 647 mm /

    6.97 x 16.85 x 25.47 inch

    574.6 x 428 x 670.5 mm /

    22.62 x 16.85 x 26.40 inch

    Weight

    35kg / 77.2lbs

    35kg / 77.2lbs

    35kg / 77.2lbs

    150kg / 330.69lbs

    Operating Temp

    0~40

    0~40

    0~40

    0~40

    Line Voltage

    100~240 VAC / 47~63Hz

    100~240 VAC / 47~63Hz

    100~240 VAC / 47~63Hz

    100~240 VAC / 47~63Hz

    Power Consumption

    200VA(max)

    200VA(max)

    200VA(max)

    800VA(max)

    EMC & Safety

    CE

    CE

    CE

    CE

     

    規(guī)格表-3

    Model

    63204A-1200-160

    63205A-1200-200

    63206A-1200-240

    63224A-1200-960

    Voltage*2

    0~1,200V

    0~1,200V

    0~1,200V

    0~1,200V

    Current

    0~160A

    0~200A

    0~240A

    0~960A

    Power*3

    0~4,000W

    0~5,000W

    0~6,000W

    0~24,000W

    Static mode

    Min. voltage

    @ full current

    2V

    @16A

    10V

    @80A

    20V

    @160A

    2V

    @20A

    10V

    @100A

    20V

    @200A

    2V

    @24A

    10V

    @120A

    20V

    @240A

    2V

    @96A

    10V

    @480A

    20V

    @960A

    Constant current mode

     

     

    Range

    16A

    80A

    160A

    20A

    100A

    200A

    24A

    120A

    240A

    96A

    480A

    960A

    Accuracy*4

    0.04%+0.06%F.S.

    0.04%+0.06%F.S.

    0.04%+0.06%F.S.

    0.04%+0.06%F.S.

    Constant resistance mode

     

    Range

    0.15Ω~1.5kΩ (150V)

    0.6Ω~6kΩ (600V)

    15Ω~30kΩ (1200V)

    0.1Ω~1kΩ (150V)

    0.4Ω~4kΩ (600V)

    10Ω~20kΩ (1200V)

    0.1Ω~1kΩ (150V)

    0.4Ω~4kΩ (600V)

    10Ω~20kΩ (1200V)

    0.025Ω-0.25kΩ (150V)

    0.1Ω-1kΩ (600V)

    2.5Ω-5kΩ (1200V)

    Accuracy

    Vin/Rset*(0.2%)+0.2% IF.S.

    Vin/Rset*(0.2%)+0.2% IF.S.

    Vin/Rset*(0.2%)+0.2% IF.S.

    Vin/Rset*(0.2%)+0.2% IF.S.

    Constant voltage mode

    Range

    150V

    600V

    1,200V

    150V

    600V

    1,200V

    150V

    600V

    1,200V

    150V

    600V

    1,200V

    Accuracy

    0.025%+0.025%F.S.

    0.025%+0.025%F.S.

    0.025%+0.025%F.S.

    0.025%+0.025%F.S.

    Constant power mode

    Range

    400W

    2,000W

    4,000W

    500W

    2,500W

    5,000W

    600W

    3,000W

    6,000W

    2,400W

    12,000W

    24,000W

    Accuracy *5

    0.2%+0.2%F.S.

    0.2%+0.2%F.S.

    0.2%+0.2%F.S.

    0.2%+0.2%F.S.

    Constant impedance mode

    Range

    CL : 30µF-50,000µF ; RL : as CR ; Ls: 0.1µH-16µH ; Rs: 30mΩ-20Ω

    CC+CV

    Refer to CC & CV specifications

    CR+CV

    Refer to CR & CV specifications

    CR+CC

    Refer to CR & CC specifications

    Dynamic mode

    T1 & T2

    0.020~99.999ms/

    100ms~99,999ms

    0.020~99.999ms/

    100ms~99,999ms

    0.020~99.999ms/

    100ms~99,999ms

    0.020~99.999ms/

    100ms~99,999ms

    Accuracy

    1µs+100ppm

    1µs+100ppm

    1µs+100ppm

    1µs+100ppm

     

    Slew rate

    0.2mA/µs~0.8A/µs

    1mA/µs~4A/µs

    2mA/µs~8A/µs

    0.2mA/µs~1.A/µs

    1mA/µs~5A/µs

    2mA/µs~10A/µs

    0.2mA/µs~1.2A/µs

    1mA/µs~6A/µs

    2mA/µs~12A/µs

    1mA/µs~4.8A/µs

    5mA/µs~24A/µs

    10mA/µs~48A/µs

    Accuracy

    5% ± 10µs

    5% ± 10µs

    5% ± 10µs

    5% ± 10µs

    Min. rise time *6

    20µs (Typical)

    20µs (Typical)

    20µs (Typical)

    20µs (Typical)

    Measurement

    Voltage read back

    Range

    150V

    600V

    1,200V

    150V

    600V

    1,200V

    150V

    600V

    1,200V

    150V

    600V

    1,200V

    Accuracy

    0.015%+0.015%F.S.

    0.015%+0.015%F.S.

    0.015%+0.015%F.S.

    0.015%+0.015%F.S.

    Current read back

    Range

    16A

    80A

    160A

    20A

    100A

    200A

    24A

    120A

    240A

    96A

    480A

    960A

    Accuracy

    0.04%+0.06%F.S.

    0.04%+0.06%F.S.

    0.04%+0.06%F.S.

    0.04%+0.06%F.S.

    Power read back

    Range

    0~4,000W

    0~5,000W

    0~6,000W

    0~24,000W

    Accuracy *5

    0.1%+0.1%F.S.

    0.1%+0.1%F.S.

    0.1%+0.1%F.S.

    0.1%+0.1%F.S.

    Protection

    Over Current

    Yes (Settable)

    Yes (Settable)

    Yes (Settable)

    Yes (Settable)

    Over Power

    Yes (Settable)

    Yes (Settable)

    Yes (Settable)

    Yes (Settable)

    Over Temperature

    Yes

    Yes

    Yes

    Yes

    Over Voltage Alarm

    Yes

    Yes

    Yes

    Yes

    Reverse Alarm

    Yes

    Yes

    Yes

    Yes

    General

    Input Resistance (Load Off)

    2MΩ(Typical)

    2MΩ(Typical)

    2MΩ(Typical)

    2MΩ(Typical)

    Dimension (HxWxD)

    175 x 428 x 647 mm /

    6.97 x 16.85 x 25.47 inch

    175 x 428 x 647 mm /

    6.97 x 16.85 x 25.47 inch

    175 x 428 x 647 mm /

    6.97 x 16.85 x 25.47 inch

    175 x 428 x 647 mm /

    6.97 x 16.85 x 25.47 inch

    Weight

    35kg / 77.2lbs

    35kg / 77.2lbs

    35kg / 77.2lbs

    35kg / 77.2lbs

    Operating Temp

    0~40

    0~40

    0~40

    0~40

    Line Voltage

    100~240 VAC / 47~63Hz

    100~240 VAC / 47~63Hz

    100~240 VAC / 47~63Hz

    100~240 VAC / 47~63Hz

    Power Consumption

    200VA(max)

    200VA(max)

    200VA(max)

    800VA(max)

    EMC & Safety

    CE

    CE

    CE

    CE

    1. The specifications are guaranteed to meet specified performance at temperature range of 25±5?C.
    2. If the operating voltage exceeds the rated voltage for 1.05 times, it would cause permanent damage to the device.
    3. The power rating specifications at ambient temperature = 25?C.
    4. If the operating current is below range 0.2%, the accuracy specification is 0.1% F.S.
    5. Power F.S. = Vrange F.S.x Irang F.S.
    6. The specification is valid only for loading current > 4% F.S.
    7. The short circuit function simulates full power loading and thus it cannot perform mechanical short circuit.

     

    在線留言

    ONLINE MESSAGE

    留言框

    • 產(chǎn)品:

    • 您的單位:

    • 您的姓名:

    • 聯(lián)系電話:

    • 常用郵箱:

    • 省份:

    • 詳細(xì)地址:

    • 補(bǔ)充說明:

    • 驗證碼:

      請輸入計算結(jié)果(填寫阿拉伯?dāng)?shù)字),如:三加四=7
    • 聯(lián)系地址

      寧波市北侖區(qū)明州路長江國際大廈B座1301室
    • 聯(lián)系郵箱

      1308663385@qq.com
    • 聯(lián)系電話

      0574-86861636
    • 聯(lián)系QQ

      1214647325

    版權(quán)所有©2025 寧波旗辰儀器有限公司   備案號:浙ICP備17053223號-5

    技術(shù)支持:化工儀器網(wǎng)  管理登陸  sitemap.xml

    主站蜘蛛池模板: 亚洲精品成人图区| 免费a级毛片视频| 亚洲精品无码久久久久去q | 亚洲人成无码网站在线观看| 好紧我太爽了视频免费国产| 亚洲人成影院在线观看| 亚洲欧美在线x视频| 免费观看毛片视频| 亚洲不卡中文字幕| 午夜宅男在线永久免费观看网| 亚洲avav天堂av在线不卡| 中文毛片无遮挡高清免费| 久久久久国产成人精品亚洲午夜 | 久久青草亚洲AV无码麻豆| 成年女人A毛片免费视频| 亚洲精品无码成人片在线观看 | 午夜视频免费在线观看| 亚洲国产精品乱码一区二区 | 亚洲成?Ⅴ人在线观看无码| 相泽南亚洲一区二区在线播放| 成人免费视频国产| 激情婷婷成人亚洲综合| 亚洲高清无码在线观看| 国产精品福利在线观看免费不卡 | 国产精品hd免费观看| 亚洲精品你懂的在线观看| 久久国产精品国产自线拍免费| 亚洲AV无码成人精品区蜜桃| 久久国产免费观看精品| 亚洲精品视频在线播放| 黄页网站免费在线观看| 亚洲AV无码专区亚洲AV桃| 亚洲Av无码国产情品久久| 久久久久久毛片免费看| 亚洲天天做日日做天天看| 成人免费视频69| 国产成人综合亚洲| 日韩va亚洲va欧洲va国产| 无码乱肉视频免费大全合集| 亚洲色偷偷偷综合网| 相泽亚洲一区中文字幕|