unsteady seepage

• 不稳定渗流

unsteady seepage的用法和样例：

例句

1. The permeance curve of the designing rainfall process is given.The unsaturated and unsteady seepage analysis is made on the slope under the condition of rainfall.
   给出了该降雨过程的入渗曲线，并对降雨条件下滑坡的非饱和非稳定渗流进行了研究。