| 单词 | lift pump |
| 释义 | lift pump in British Englishnoun a pump that raises a fluid to a higher level. It usually consists of a piston and vertical cylinder with flap or ball valves in both piston and cylinder base Compare force pumplift pump in American English a suction pump that raises a column of liquid to the level of a spout out of which the liquid runs of its own accord cf. force pump |
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