liquid displacement technique

例句：

1. 1. The liquid displacementtechnique is widely used in the oil industry.
   液体置换技术在石油工业中广泛应用。
2. 2.The process of liquid displacement involves separating two fluids by moving a third one between them.
   液体置换过程涉及通过移动第三种流体来分离两种流体。
3. 3. The liquid displacement technique has been shown to be effective in removing impurities from crude oil.
   液体置换技术已被证明能有效从原油中去除杂质。