定位销自动锁住升降板，然后更换煎饼托板，煎饼机重新自动开始工作。

The lifting plate is locked automatically by a positioning pin, and then the supporting plate of the pancake is replaced to enable the pancake machine to automatically work again.

youdao

两部分壳体的相对旋转通过复位构件和定位销来复位锁芯，并且允许锁芯处于记忆模式，用以在不需要有效钥匙的情况下更换钥匙。

Relative rotation of the two-part housing resets the lock cylinder via the reset member and detent pin, and allows the lock cylinder to be placed in a learn mode for rekeying without a valid key.

youdao