“换向阀”的概念、定义、翻译、参考文献-科学参考

单词	换向阀
释义	换向阀 Encyclopedia 工学方向控制阀释 directional valve换向阀借助于改变阀芯的位置，来实现与阀体相连的几个油路之间的接通或断开的阀类。
随便看	compact extension compact extragalactic radio source compact family compact fiber compact flare compact fluorescent lamp compact foliation compact form compact galaxy compact galaxy nucleus compact grain compact group compact group of galaxies compact Hausdorff space compact heat exchanger compact homotopy class compact HⅡ region compactifiable compactification compactification operator compactification theorem compactified space compactifying compactifying distribution compact infrared source

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