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关注：1
2013-05-23 12:21
求翻译：5.照明回路为二线制，每套灯具及开关接地螺栓可靠连接接地。是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
5.照明回路为二线制，每套灯具及开关接地螺栓可靠连接接地。
问题补充： |
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2013-05-23 12:21:38
正在翻译，请等待...
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2013-05-23 12:23:18
正在翻译，请等待...
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2013-05-23 12:24:58
5. illumination return routes are the two-wire systems, each set of lamps and lanterns and switch earth bolt reliable connection earth.
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2013-05-23 12:26:38
5. lighting circuits for two-wire, grounding bolts reliable connection grounding of every set of lights and switches.
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2013-05-23 12:28:18
5.Light return circuit make for Line two, each lamps and lanterns and turn on or off grounded bolt connect earthing reliably.
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