第一和第二凸轮随动件壁装被设置为彼此相反，例如背对背。

The first and second CAM follower wall means are disposed so as to oppose one another, e. g. back to back.

youdao

第一和第二凸轮随动件壁装被设置为彼此相反，例如背对背。

The first and second CAM follower wall means are disposed so as to oppose one another, e. g. back to back.

youdao