Reasons of leakage were analysis, and application of dry gas seal was introduced particularly.

为了解决泄漏问题，分析了泄漏的原因，详细地介绍了干气密封的应用实例。

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Valve can turn 90 degree working in testing course, especial suitable for property experiments of gas seal.

阀门在试验过程中可翻转90度工作，特别适用气密封性能试验。

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A new type of dry gas seal structure and working principle applied on high pressure ammonia pump were recommended.

介绍了一种新型高压氨泵采用干气密封的结构及工作原理。

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The agency said the operator was in the process of installing additional gas extraction measures and cladding to seal the site.

BBC: Work under way at Milton Keynes landfill to combat odour

In order to do this the company needs to hermetically seal the drives to prevent He gas leakage over the life of the drive no mean feat.

FORBES: Rare Gases and Fine Lines

The authors argue that even quakes that are imperceptible to humans can damage the caprock seal of CO2 repositories enough to release the gas back into the atmosphere.

ECONOMIST: Carbon capture: Going underground | The