Mount main control unit and laying cable (2 core cable, two PCS) for unit AC and DC power supply.

安装壁挂式主控单元控制箱，并敷设交直流电源电缆二条。

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Mount main control unit and laying cable (2 core cable, two PCS) for unit AC and DC power supply.

安装壁挂式主控单元控制箱，并敷设交直流电源电缆二条。

youdao