Quiet now, please. I'm going to call the roll. Jack?

请安静，我开始点名了。杰克？

youdao

The utility model is mainly formed by the connection of a movable lock catch (2) and a fixed lock catch (6) via a pin roll (5). The movable lock catch is provided with a lock tongue plug jack.

它主要由活锁扣片（2）和死锁扣片（6）通过销轴（5）连接构成，在活锁扣片上有一锁舌插孔。

youdao