I want know pneumatic valve and short tail.
我想了解气动阀门和短尾座。
The water bag (3) is linked with a one-way valve (5) at the tail by a water bag pipe (4).
水囊(3)通过水囊管(4)在尾部连有一个单向阀(5)。
The external nozzle mechanism comprises a three-way valve for connecting the tail end of the steam outlet pipeline, a beverage straw and a nozzle respectively.
外置式喷嘴机构包括三通阀，分别连接出汽管道末端、饮料管和喷嘴。
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