motorized gear

• 汽车齿轮

motorized gear的用法和样例：

例句

1. As a famous auto gear manufacturer in China, Qijiang Gear Works has a long history and a brilliant past.
   作为我国汽车齿轮行业的著名企业，綦江齿轮厂有着悠久的历史，和辉煌的过去。