Therefore, bearings with a large cross-section are provided with several short rollers in a line.

因此，有大截面的轴承具有几个在一条线上的短滚子。

youdao

Therefore, bearings with a large cross-section are provided with several short rollers in a line.

因此，有大截面的轴承具有几个在一条线上的短滚子。

youdao