Low pressure seal test 4.4.1 for low pressure seal test, the sealing surface should be kept clean, no oil, no grease and seal fat, for to prevent scratches.
低压密封试验4.4.1进行低压密封试验时，低温阀门密封面应保持干净，无油、无油脂和密封脂，如需防止擦伤。
This test-bed is mainly used for high and low pressure seal of High-pressure hose.
该试验台主要用于高压胶管的高低压密封。
This test-bed is mainly used for high and low pressure seal of High-pressure hose.
该试验台主要用于高压胶管的高低压密封。
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