为防护层设计提供必要的依据和指导，可以更好的降低系统风险并提高安全性。
It can direct layer of protection design and provide data to support its design.
最重要的是增加其价值，提高安全性、减少浪费并提供政策和技术咨询与援助。
The main emphasis is on adding value, improving safety, minimising waste and providing policy and technical advice and assistance.
对卷帘密封干式气柜及其辅助系统在回收瓦斯运行中的主要故障、所采取的对策加以归纳总结，并提出了一些提高安全性的建议。
Main failures of roller shutter dry seal gas holder and its accessory systems in recovering gas are summarized, the countermeasures taken are introduced, and some Suggestions are put forward.
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