- any large device involving the displacement of a piston or plunger driven by fluid pressure
- a form of water pump utilizing the kinetic energy of running water to provide static pressure to raise water to a reservoir higher than the source
| 单词 | hydraulic ram |
| 释义 | WordReference Random House Unabridged Dictionary of American English © 2024 hydrau′lic ram′,
Collins Concise English Dictionary © HarperCollins Publishers:: hydraulic ram n
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