Push the white vent cover onto the silicone vent as shown. Make sure: There is no gap between cover and vent, the slit si open before feeding.

把白色的导气盖压入硅胶导气阀门。请确保导气盖和导气阀门之间没有间隙，在喂养前导气管的切口是翻开的。

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Make sure: There is no gap between cover and vent, the slit si open before feeding.

请确保导气盖和导气阀门之间没有间隙，在喂养前导气管的切口是打开的。

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Emergency vent Manhole Cover is a kind of rapid relief-pressure device. Its technical performance, main material and main parts'materialare the same as HXF-HR type breather manholes.

紧急放空人孔是快速泄压装置，其技术性能、主要零部件材料与HXF-HR呼吸人孔相同。

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Emergency vent Manhole Cover is a kind of rapid relief-pressure device. Its technical performance, main material and main parts'materialare the same as HXF-HR type breather manholes.

紧急放空人孔是快速泄压装置，其技术性能、主要零部件材料与HXF-HR呼吸人孔相同。

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