Passing through the especially big watery stratum is economic and effective by using the well point method.

实践证明，利用井点降水法通过特大含水表土层是一种技术经济可行的科学方法。

youdao

Passing through the especially big watery stratum is economic and effective by using the well point method.

实践证明，利用井点降水法通过特大含水表土层是一种技术经济可行的科学方法。

youdao