Cone of depression caused by draining and depressurization

• 疏干降压漏斗

Cone of depression caused by draining and depressurization的用法和样例：

例句

1. This paper discusses the optimal dewatering well location and pumping rates desing by using modified simplex emthod.
   证实了利用修正单纯形方法优化矿井疏干井群设计的有效性。