| 释义 | 
		pis·ton AHD[pĭsʹtən] D.J.[ˈpɪstən]K.K.[ˈpɪstən]n.(名词) Matthew Pippin- A solid cylinder or disk that fits snugly into a larger cylinder and moves under fluid pressure, as in a reciprocating engine, or displaces or compresses fluids, as in pumps and compressors.活塞:一种可装到更大的筒里且在液压下移动的固体小筒或碟子,如在往复式发动机中,也可用于更换或压缩液体,如在水泵和压缩机上
 
 - Music A valve mechanism in brass instruments for altering the pitch.【音乐】  活塞阀键:一种铜管乐器上调节音量的活塞阀键
 
 
 - French 法语 
 
 - from Italian pistone, pestone [large pestle] 源自 意大利语 pistone, pestone [大杵] 
 
 - from pestare [to pound, crush] 源自 pestare [捣,弄碎] 
 
 - from Late Latin pistāre 源自 后期拉丁语 pistāre 
 
 - frequentative of Latin pīnsere, pīnsāre  拉丁语 pīnsere的重复, pīnsāre 
 
 
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