Cone air lock valve can realize to discharge dust with the help of torque balance.

锥形锁风阀利用力矩平衡的方法实现卸灰。

youdao

Postflight found nose gear mirror too low, check found due charging valve csn't lock, leak air.

航后发现前起落架镜面太低，结果发现是充气活门锁不死漏气所致。

youdao

Air lock and dust discharge valve open or close in turn up and down.

锁气翻板卸灰阀为上下交替开闭，自动复位机构。

youdao