当齿轮是用来传递运动之间的交叉轴，其中有些圆锥齿轮的需要。

When gears are to be used to transmit motion between intersecting shaft, some of bevel gear is required.

youdao

当齿轮是用来传递运动之间的交叉轴，其中有些圆锥齿轮的需要。

When gears are to be used to transmit motion between intersecting shaft, some of bevel gear is required.

youdao