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hand operating device中文是什么意思

发音:  
用"hand operating device"造句"hand operating device"怎么读"hand operating device" in a sentence

中文翻译手机手机版

  • 手动机械

例句与用法

  • The valve is furnished with wobble pump and hand operated device . during repairing or having no power , it can open and close valve by hand
    该阀配有手摇泵和手动关阀装置,能在检修或无电时手动开、关阀。
用"hand operating device"造句  

其他语种

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