“piston displacement”的概念、定义、翻译、参考文献-科学参考

单词	piston displacement
释义	piston displacement Encyclopedia 工学活塞式驱替释 piston displacement活塞式驱替假定水驱油过程中地层含水区和含油区之间存在一个明显的油水分界面，且分界面垂直于液流流线向井排处移动，水渗入含油区后将孔隙中的油全部驱走，即油水分界面像活塞一样向井排移动，当它到达井排处时井排就见水的驱油方式。工学工作容积释 piston displacement工作容积活塞在缸内往复运动过程中，上、下止点之间所包含的气缸容积。
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