“rack and pinion hoist”的概念、定义、翻译、参考文献-科学参考

单词	rack and pinion hoist
释义	rack and pinion hoist Encyclopedia 工学施工升降机释 rack and pinion hoist齿轮齿条式施工升降机减速器输出轴端的齿轮伸出吊笼，并与固定在桅柱上的齿条啮合，驱动吊笼上下运行的施工升降机。
随便看	positive plate positive platemaking positive polarity machining positive potential positive-pressure pulverizer with intermediate storage bunker positive pressure sealing positive propaganda positive proposition positive psychology positive psychotherapy positive punishment positive quadratic differential positive quadratic form positive quantity positive ray function positive real axis positive real control positive real function positive real number positive real part positive real system positive recurrent point positive recurrent state positive reinforcement positive relation

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