gear cutting machinegear-cutting machinenotching machinetool cutting machinetooth cutting machinetooth-cutting machinewheel cutting machine切齒: gear cutting機: machine; engine切齒刀, 切齒機: gear cuttermaag式切齒機: maag gear citter自動切齒機: automatic gear cutting machine下載手機詞典可隨時隨地查詞查翻譯