单词	curved-arm pulley
释义	curved-arm pulley 曲辐皮带轮
随便看	second-class lever second class lever system in mastication second-class lever system in mastication second-class loan second-class loop second-classmail second class mail second-class mail second -class mail second-class maintenance second class matter second-class matter second-class merit Second-class Method for FMS Dispatching second-class object second-class objects second class oil layer second-class or above hospitals second class ore second-class ore second class paper second-class paper second class passenger Second-class pipe net second-class piston manometer