Limited by the ring material, the use of butterfly valve pressure and low temperature range.
受密封圈材料的限制，蝶阀的使用压力和工作温度范围较小。
Experiment of capillary valve shows it can be applied as passive valve under low pressure.
阀的操作模式表明，此类被动阀适合于在低压、一次性使用的场合。
Experiment of capillary valve shows it can be applied as passive valve under low pressure.
阀的操作模式表明，此类被动阀适合于在低压、一次性使用的场合。
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