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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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