The bottom of the cradle is provided with a metal bush (5) so as to guide a rotating shaft (3).

在锭座的底部装有一个金属轴瓦(5)用来给转轴(3)进行导向。

youdao

The bottom of the cradle is provided with a metal bush (5) so as to guide a rotating shaft (3).

在锭座的底部装有一个金属轴瓦(5)用来给转轴(3)进行导向。

youdao