短語(yǔ)詞組短語(yǔ)worm helical gear wheel drive 蝸桿斜齒輪傳動(dòng)gear shifting quadrant wheel drive 齒輪傳動(dòng)gear wheel for governor drive 調(diào)速器敺動(dòng)齒輪drive gear wheel 主動(dòng)齒輪 返回 gear wheel drive