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单词 back pressure
释义

back pressure

noun

1
: residual pressure on the exhaust side of a steam-engine piston against which the steam on the intake side must work
2
: opposition to flow of a liquid or gas due to friction, inertia, gravity, or other cause

Word History

First Known Use

1848, in the meaning defined at sense 1

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更新时间:2024/12/23 19:21:32