求翻译：阀芯开启灵活、密封性能可靠、能滞压开启（即当阀前充满压力介质时仍可正常开启），释放药剂后无需维修或更换零部件，阀芯自动复位后即可投入使用是什么意思？

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Spool opened sealed reliable performance, flexible, and can lag before pressure valve opening (that is, when is full of pressure medium when it is released, normal opening) Pharmaceutical after repair or replacement of spare parts is not required, the spool can be put into use after automatic reset.

正在翻译，请等待...

Flexible valve core opens, the sealing property is reliable, zhiya open (that is, when the valve when the media is filled with stress can still normal before opening), releases the chemicals do not need to repair or replace parts, valve cores automatically reset can be put into use

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