In the paper, interchangeability of gases, impact of gas-changing on gas burner performances, gas replacement measure and method are studied.
分析与研究了燃气的互换性、燃气转换后对燃具燃烧特性的影响，探讨了燃气置换的措施和方法。
Tectonic holistic preservation is the main geologic setting of natural gas accumulation and the significant condition of late gas replacement and preservation.
整体封存构造保存条件是该盆地天然气成藏的主体地质背景和晚期成藏保存的主要条件。
This paper analyses the problems and status quo on pressure regulating station before gas replacement as well as introduces the technical reform scheme of gas replacement.
分析了置换天然气前调压站现状及存在的问题，介绍了置换天然气中调压站的技术改造方案。
氮气置换；
氮气置换；
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