hydraulic rams
英
美
- hydraulic adj.水力的;水压的;液压的
- rams n.公羊;活塞;水压抽水机RAMS.abbr.随机存储器;内存条(=random-accessmemory)名词ram的复数形式.
名词 hydraulic ram:
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a water pump that uses the kinetic energy of flowing water to force a small fraction of that water to a reservoir at a higher level