英语词汇“piston”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

pis·ton

(pĭstən)

1. 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.

2. Music A valve mechanism in brass instruments for altering the pitch.

[French, from Italian pistone, pestone, large pestle, from pestare, to pound, crush, from Late Latin pistāre, frequentative of Latin pīnsere, pīnsāre.]

piston

in an internal-combustion engine

单词	piston
释义	pis·ton (pĭstən) n. 1. 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. 2. Music A valve mechanism in brass instruments for altering the pitch. [French, from Italian pistone, pestone, large pestle, from pestare, to pound, crush, from Late Latin pistāre, frequentative of Latin pīnsere, pīnsāre.] piston in an internal-combustion engine
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