混合轮系 meaning in English

compound gear train

Therefore if the closed planetary gear train and the differential plahetary gear train set up a multistage mixed gear train , we will obtain a winch on automobile crane which satisfy the request of double speed , great transmission ratio and small volume
因此将差动和封闭行星轮系组成多级混合轮系，就可得到一种满足汽车起重机上的卷扬机双速、大传动比、小体积要求的传动机构。