Clean axle shaft tubes and oil channels in housing. 清潔驅動(dòng)橋輪軸底盤(pán)和殼內油路。
The bike chain drives a sun gear on the rear axle, which transmits power to planetary gears situated around it. 自行車(chē)的鏈條會(huì )驅動(dòng)后輪輪軸上的太陽(yáng)齒輪，將動(dòng)力傳送到四周的行星齒輪。
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電信業(yè)務(wù)許可證編號：滬B2-20190700
