她想成为一个教练 » She would like to become a coach 一级减速器 » level reducers 她因健康原因提前退休。 » Her early retirement for health reasons.
基于16个网页-相关网页
... double-reduction gearbox 双级减速齿轮箱 single-reduction gearbox 一级减速器 reverse reduction gearbox 倒顺车减速齿轮箱 ...
基于14个网页-相关网页