“geared gate valve”的概念、定义、翻译、参考文献-科学参考

单词	geared gate valve
释义	geared gate valve 齿轮传动闸阀
随便看	sinking lamp sinking lining sinking machine sinking method sinking mill sinking of bore hole sinking of caisson by loading sinking of qi of middle-jiao sinking operation sinking pile by water jet sinking plant sinking platform sinking pump sinking rate sinking rider sinking river sinking seafloor core drill sinking shift sinking skip sinking system sinking technique sinking tipple sinking volume sinking walling scaffold sinking winch

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