The pump sucks air out through the valve.
气泵通过阀门把空气抽出去。
The pure gum rubber sleeve of the Type A Valve offers excellent abrasion resistance, and since the Type A uses only air pressure to operate, there are no moving parts to break or wear out.
型夹管阀采用的纯树脂橡胶具有优异的抗磨损能力，因为A型夹管阀只是采用气压进行操作，因此没有活动部件会断裂或磨损。
As you then pull the stopper back out, you will hear air entering through the other valve.
正如你，然后拉回到塞子，您会听到空气进入，通过其他阀。
应用推荐