V2EX piston

Piston

释义 Definition

piston(活塞):发动机、泵或气缸内作往复运动的圆柱形部件,用来把气体/液体的压力转换为机械运动,或把机械运动转换为压力。(在内燃机、压缩机、液压/气动装置中很常见。)

发音 Pronunciation (IPA)

/pstn/

例句 Examples

The piston moves up and down inside the cylinder.
活塞在气缸内上下运动。

As the fuel ignites, expanding gases drive the piston downward, turning the crankshaft and producing power.
燃料点燃后,膨胀的气体推动活塞向下运动,带动曲轴旋转并产生动力。

词源 Etymology

piston 源自法语 piston,与意为“捣棒/推杆”的词有关,最初指用于“推压、捣动”的工具或部件;后来随着蒸汽机与内燃机等机械的发展,逐渐固定为“气缸内往复运动的活塞”这一工程含义。

相关词 Related Words

文学作品 Literary Works

  • The Way Things Work(David Macaulay)以图文方式讲解机械原理,常涉及活塞、气缸等概念。
  • Zen and the Art of Motorcycle Maintenance(Robert M. Pirsig)讨论摩托车维护与机械细节时会出现发动机部件相关词汇(如活塞等)。
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