“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	cut oil cut-out cutout cutout angle cutout box cut over cutover cut plane cut platform cut point cutscore cut-set cut-sheet printer cut shot cut-signal-branch operation cutter cutter bar cutter compensation cutterhead cutter sweep cutting cutting angle cutting coulter cutting down cutting drilling

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