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关注：1
2013-05-23 12:21
求翻译：井道底坑要有排水装置,底部应光滑平整是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
井道底坑要有排水装置,底部应光滑平整
问题补充： |
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2013-05-23 12:21:38
Shaft of the bottomless pit have a drainage system, the bottom should be smooth
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2013-05-23 12:23:18
Well, there is a drainage pit to the bottom, the bottom should be smooth and flat
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2013-05-23 12:24:58
A well foundation pit must have the drainage system, the base should smooth smooth
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2013-05-23 12:26:38
Well pit to drainage, the bottom should be smooth
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2013-05-23 12:28:18
pound road pit to the bottom with the bottom drain, and should be smooth and flat
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