| 释义 |
hydraulic pressn.（名词）- A machine in which a large force is exerted on the larger of two pistons in a pair of hydraulically coupled cylinders by means of a relatively small force applied to the smaller piston.水压机：一种机器，有一对液压圆柱，当对其中一个圆柱内较小的活塞施加较小压力时会在另一个圆柱内较大的活塞上产生很大的力
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