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轻型井点降水是在需要降低地下水位的基坑一侧或四周埋设井点管插入透水层中,利用真空泵的压力把地下水抽出地面,从而使地下水位降低,达到施工目的。
Light well point precipitation is needed to reduce the groundwater level on the side of the foundation pit or buried well pipe inserted into the permeable layer, the use of vacuum pump groundwater pumping out of the ground, so that the groundwater level lower to achieve construction purposes.