基本解釋[經(jīng)濟學(xué)]圓磨法齒輪滾刀詞組短語短語circular r grinding gear hob 圓磨法齒輪滾刀circular grinding build -up gear hob 圓磨法裝配式滾刀circular grinding boost -up gear hob 圓磨法裝置式滾刀circular grinding gear hob更多詞組專業(yè)釋義經(jīng)濟學(xué)圓磨法齒輪滾刀