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关注:1
2013-05-23 12:21
求翻译:所有穿楼板的孔洞应进行电缆防火封堵。是什么意思?![]() ![]() 所有穿楼板的孔洞应进行电缆防火封堵。
问题补充: |
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2013-05-23 12:21:38
All holes through the floor of the block should be the cable fire.
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2013-05-23 12:23:18
All wear 50,730 cable fire blocking the openings should be carried out.
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2013-05-23 12:24:58
All puts on the floor the hole to be supposed to carry on the electric cable fire protection trap.
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2013-05-23 12:26:38
All wearing slab of cable fireproof plugging the holes should be.
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2013-05-23 12:28:18
All wearing slab of cable fireproof plugging the holes should be.
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