First and second clutches are provided to be coupled to the coupling gears, wherein the clutches selectively transmit the driving force of the driving source.

第一和第二联轴器连接于联结齿轮，其中，联轴器选择性地传输驱动源的驱动力。

youdao

First and second clutches are provided to be coupled to the coupling gears, wherein the clutches selectively transmit the driving force of the driving source.

第一和第二联轴器连接于联结齿轮，其中，联轴器选择性地传输驱动源的驱动力。

youdao