This is when a bartender has some accidental spillage during the routine, which results in the bottle becoming empty.

表演过程中参赛者若出现失误导致瓶中液体溢出变空。

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Neither oil spillage nor air inclusion during connection and disconnection, is suitable for the harsh environment of high dust, with double security locks to prevent accidental disconnection.

它断开时无遗洒，连接时无空气混入，适合高粉尘的恶劣环境，具有双重安全设置，防止意外断开。

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