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

土可贮存上滞，风化岩带则可赋存潜或承压。

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，增加上滞和潜的道，尤其在潜底板低洼处设置降井将低洼处的残留引走。