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电源电缆
power cable
- 信号电缆和电源电缆必须分开布线。
Signal cables and power cables must be routed separately. - 安装壁挂式主控单元控制箱，并敷设交直流电源电缆二条。
Mount main control unit and laying cable (2 core cable, two pcs) for unit AC and DC power supply. - 引下线中的雷电流通过近场的电磁感应将雷电波（高电位）沿着附近的信号电缆、电源电缆和通信电缆引入DCS；
Lightning current in the Down-conductor system brings lightning surge inducted by near field electromagnetic induction into DCS along the local signal cables, power cables and communication cables;
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中国词汇量第二的英语词典
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