短语词组短語driving tapered gear shaft 主動錐齒輪軸driving g gear shaft 主動齒輪軸driving gear shaft cover 主動齒輪軸耑蓋driving gear shaft of motor 電機主動齒輪軸driving shaft gear 主動齒輪cam shaft driving gear 凸輪軸傳動齒輪凸輪軸傳動裝置 返回 driving gear shaft