underground flow

• 地下水流

underground flow的用法和样例：

例句

1. Where underground water comes to the surface, there are oases.
   地下水流到地表的地方，就成为了绿洲。
2. The development of subsurface flow in soil slope due to rainfall infiltration has been studied with numerical analysis.
   摘要对降雨渗入坡面土壤所产生地下水流的进展过程进行了数值解析计算。