foundation pit excavation and dewatering
foundation pit excavation and dewatering
基坑开挖及降水
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Dewatering is always necessary in foundation pit excavation and hand dig piles.
基坑开挖或施行人工挖孔桩常常需要进行人工降水。
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In the excavation of foundation pit and foundation bench in shallow aquifer area, the problem of dewatering will be involved.
在含水层较浅的地区开挖基坑及基槽，都涉及到降水问题。
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