常压酒瓶没有装机之前，通气帽是不打开的，便于酒厂装酒和运储。

Before the spirit bottle is placed on the machine, the air-hole cap is not opened, so that it is favorable for filling spirit, storage and transportation.

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笔帽应执行笔帽规格，通气帽的通风区域或通气帽的空气流量的要求。

Caps shall comply with the performance requirements of Cap Size, Ventilated Caps Vent Area or Ventilated Caps Air Flow.

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通气管包括被连接至通气管的帽，其中，帽部分地阻隔进入入口开口的机会，以防止导管的污染。

In one preferred embodiment, the snorkel includes a cap connected to the snorkel wherein the cap partially obstructs access to the intake opening in order to prevent contamination of the conduit.

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