干气即炼油厂副产的高压瓦斯。
既没有瓦斯也没有微-烤箱在 1980年代中，和我们藉由燃烧烹调弄干树叶或树树枝。
There was neither gas nor micro-oven in 1980s, and we cooked by burning dried leaves or tree branches.
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.
介绍螺旋槽式干气密封的工作原理，通过在离心式压缩机上应用使瓦斯达到零泄漏，保证机组的安全操作与运行。
Principle of dry gas seal with screw groove type was introduced. It was applied in the centrifugal compressor to realize zero gas leakage. It has safety operation of the compressor group guaranteed.
介绍螺旋槽式干气密封的工作原理，通过在离心式压缩机上应用使瓦斯达到零泄漏，保证机组的安全操作与运行。
Principle of dry gas seal with screw groove type was introduced. It was applied in the centrifugal compressor to realize zero gas leakage. It has safety operation of the compressor group guaranteed.
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