滞水

Weathered rock is the predecessor of saprolite and is mainly made of corestones surrounded by saprolite crust.

土层可贮存上层滞，风化岩带则可赋存或承压。

Minish the well space and increase transflux routeways upper backwater and driving, especially setup precipitation well and drain residual water at the bottom of diving layer.

减小井间距，增加上层滞的入流通道，尤其在含层底板设置降井将的残留引走。