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单词 lift pump
释义

WordReference Random House Unabridged Dictionary of American English © 2024
lift pump′, 
  1. Hydraulicsa pump in which a liquid is lifted rather than forced up from below. Cf. force pump.
  • 1855–60

Collins Concise English Dictionary © HarperCollins Publishers::
lift pump n
  1. 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 pump
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更新时间:2024/9/22 9:49:04