“piston valve”的概念、定义、翻译、参考文献-科学参考

单词	piston valve
释义	piston valve [`pis·tǝn ¦valv] ^{MECHANICAL ENGINEERING} A cylindrical type of steam engine slide valve for admission and exhaust of steam.
随便看	camera cable camera card camera chain camera head camera lucida camera obscura camera-ready camera station camera study Camerata camera tube cam follower Camilla Caml cam mechanism Cammett table cam nose camouflage cAMP Campanian Campanulaceae Campanulales campanulate cam pawl Campbell bridge

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