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架空线可否借助恻木和钢筋结构敷设？为什么？
[ 2011-8-1 14:34:00 | By:
杨远锋
]
架空线不得借助树木和钢筋结构敷设。其一是由于树枝的摇拽，尤其是风雨天气树枝的强烈摇拽易使架空线的绝缘破损，而导致经过树枝、树干漏电，易对人体造成意外触电伤害。其二是由于钢筋结构属于良导体，尤其是在建工程的钢筋结构体是施工人员、频繁接触的对象，一旦导线与钢筋体之间的绝缘损坏，就会造成大面积漏电和触电伤害，同时对配电线路来说也是一种对地短路故障。
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什么是接地电阻？施工现场临时用电工程对接地电阻值有什么要求？
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施工现场停、送电时，应遵从什么样的操作顺序？为什么
原创
[
2016-9-6 17:08:28
| By:
原创(游客)
]
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原创
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2016-9-28 16:43:58
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原创(游客)
]
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原创
[
2016-9-30 11:20:18
| By:
原创(游客)
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Re:在漫画中识别身边的违章
[
2016-10-8 15:17:13
| By:
utjko(游客)
]
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Re:在漫画中识别身边的违章
[
2016-10-9 14:15:52
| By:
rbptw(游客)
]
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Re:在漫画中识别身边的违章
[
2016-10-15 16:54:03
| By:
jfwad(游客)
]
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Re:在漫画中识别身边的违章
[
2016-10-18 3:49:34
| By:
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]
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Re:在漫画中识别身边的违章
[
2016-10-20 7:57:39
| By:
wmrtw(游客)
]
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Re:在漫画中识别身边的违章
[
2016-10-22 15:52:18
| By:
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]
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Re:在漫画中识别身边的违章
[
2016-10-22 19:12:06
| By:
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]
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Re:在漫画中识别身边的违章
[
2016-10-23 14:43:06
| By:
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]
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