1·One end of the windpipe is connected with a unidirectional inflating valve.
气管的一端与单向充气阀连接。
2·The vacuum freshness preservation box comprises a box body, a cover body, an inflating valve and an air pumping valve.
真空保鲜盒包括盒体，盖体，充气阀和抽气阀。
3·The alarm air valve can be directly installed on the inflating valve of an automobile tyre, and has simple structure, convenient installation and low cost.
本实用新型可直接装于机动车轮胎气门嘴上，结构简单，安装方便，造价低。
4·The exterior of the milk loading bottle is provided with an inflating pump. An air pipe of the inflating pump is communicated with the air bag of the milk loading bottle through an air valve.
盛奶瓶外设置有一个打气筒，其气管通过气门嘴与盛奶瓶中的气囊相连通。
5·During inflating you close the opening valve in clockwise direction.
在充气时，以顺时针方向关闭开口阀。