A new pulse sealing treatment, involving the use of an asymmetric pulse power supply to seal the anodic film on an al substrate immersed in a solution of aluminum sulfate, has been developed.

研究了一种采用双向脉冲电源将铝合金阳极氧化膜在硫酸铝溶液中进行封闭的绿色工艺。

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The novel sealing element for the novel submerged pulse valve replaces original O-shaped packing washers, thereby guaranteeing the sealing performance between the pulse valve and air bags.

本实用新型用新型的密封件替代了原有的O型密封圈，从而保证了脉冲阀和气包之间的密封性能。

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