When an inner ring is screwed to a middle step, the inner ring is stopped from being screwed, and liquid can be discharged through extruding or gripping a liquid outlet device on the other outlet.
内环旋至中部台阶时，停止旋入，挤压或紧握另一个出口上的出液装置即可出液。
When an inner ring is screwed to a middle step, the inner ring is stopped from being screwed, and liquid can be discharged through extruding or gripping a liquid outlet device on the other outlet.
内环旋至中部台阶时，停止旋入，挤压或紧握另一个出口上的出液装置即可出液。
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