The regional groundwater overexploitation leads the waterlowering throughout the county.
区域上的地下水超采引起全县范围内水位下降。
2
Introduces the character, fundamental, technological process and system layout of jet well ground waterlowering 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。
3
According to the general pattern of ground waterlowering, this paper suggested a volume calculation method in the natural river courses in the freezing period.