porous media flow

例句：

1. 1. The porous mediaflow is crucial for the operation of theoil well.
   多孔介质流动对油井的运行至关重要。
2. 2. The porous media flowis responsible for the transportation of oil andgas.
   多孔介质流动负责石油和天然气的运输。
3. 3. The porous media flow isa complex process that requires careful monitoring.
   多孔介质流动是一个复杂的过程，需要仔细监测。