ground water lowering 降低地下水位
Well Ground Water Lowering 井点降水
obdurate ground water lowering 基坑封闭降水
ground-water lowering construction 降水施工
well pipe ground water lowering 井点降水
ground-water lowering at man-made wells 人工井点降水
lowering of ground water level 地下水位降落
ground d water lowering 降低地下水位
Lowering Ground Water 降低地下水位
According to the general pattern of ground water lowering, this paper suggested a volume calculation method in the natural river courses in the freezing period.
根据地下水退水的一般规律，提出了针对天然河道封冻期流量推求方法的建议。
Marble karst development in Da-hong-shan mine caused a great deal of water bursting in mine shaft, sharply lowering ground water and large scale of surface subsidence.
大红山矿大理岩岩溶发育，由于突水造成井下大量涌水，同时引起地下水位急剧下降，引发了较大范围、较大规模的地面塌陷。
This paper recommends a method of lowering the ground water table by setting up the horizontal drains in hill slopes.
介绍在土坡中设置水平渗水管来降低地下水位的一种方法。
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