短語(yǔ)詞組短語(yǔ)modified helical cylinder gear 變位斜齒輪helical cylinder gear transmission 斜齒圓柱齒輪傳動(dòng)helical cylinder gear reducer 斜齒圓柱齒輪減速器helical -spur cylinder gear 斜齒圓柱齒輪 返回 helical cylinder gear