短語詞組短語circular grinding gear hob 圓磨法齒輪滾刀circular arc gear 圓弧齒輪meter circular are gear 儀表圓弧齒輪circular belve gear transmission 弧齒錐齒輪傳動circular cylindrical gear 圓弧圓柱齒輪circular tooth gear pump 圓弧齒輪泵instrument circular arc gear 儀表圓弧齒輪circular arc gear reducers 圓弧齒輪減速器circular spur gear driving 圓柱傳動齒輪 返回 circular gear