ground water lowering 降低地下水位
Well Ground Water Lowering 井点降水
underground water lowering 地下水位降低
ground d water lowering 降低地下水位
The regional groundwater overexploitation leads the water lowering throughout the county.
区域上的地下水超采引起全县范围内水位下降。
Introduces the character, fundamental, technological process and system layout of jet well ground water lowering device.
简要介绍了射流井点降水装置的特点、基本原理以及装置的工艺流程及系统布置。
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。
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