aquifer

1.An aquifer is a water-bearing rock stratum such as sandstone and chalk.

地下蓄水是一些有水的岩, 沙岩和白垩岩。

2.This paper discussed water liquor acts on micrinite in the calcareous clay at the bottom of saline aquifer and put forward the concept of filter bed of salinity.

本文讨论了咸质含水组底部钙化粘土微观粘粒与水溶液的相互作用，提出了“滤盐”的概念。