| 单词 | force pump |
| 释义 | force pump (once / 93805 pages) n WORD FAMILY force pump: force pumps USAGE EXAMPLESThere's a big well a hundred feet deep in the stable-yard, and a force pump, which takes two men to work. Henty, G. A. (George Alfred), The Curse of Carne's Hold—A Tale of...(2012) Force pumps, which deliver the water under pressure. Rose, Joshua, Modern Machine-Shop Practice, Volum...(2012) Among these, are siphon pumps, the force pump of Ctesibius, a "fire-pump," having two cylinders, and two pistons, valves, and levers. Doolittle, William Henry, Inventions in the Century(2011) n pump used to force a liquid up and expel it under pressure Hyper pump a mechanical device that moves fluid or gas by pressure or suction |
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