...排水下沉, 管井降水 [gap=257]Key words: Construction of open caisson, back cover, water pumping station, drainage sinking, well dewatering ...
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地下排水沉淀池 underdrained settling basin
排水下沉
Drainage subsidence
以上为机器翻译结果，长、整句建议使用 人工翻译 。
根据施工案例介绍了沉井下沉的两种常用方法：排水下沉和不排水下沉。
According to an instance of engineering, two current methods of open caisson subsiding including drainage subsidence and non-drainage subsidence were introduced.
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