本文可供城市燃气设计、施工人员参考。
This paper can be referred to designer and worker who work in civic gas industry.
气温是影响城市燃气短期负荷的重要因素之一。
Air temperature is one of the important factors which influence short-term city gas load.
天然气行业属于城市燃气行业，是典型的市政公用行业。
Natural gas industry belonging to city gas system is typical municipal public service.
用于石油天然气及城市燃气、热、排水输送管道的补口防腐。
The technology is studied on steel pipeline surface by hot spraying with oxygen-natural gas.
用于石油天然气及城市燃气、热、排水输送管道的补口防腐。
The technology is studied on steel pipeline surface by hot spraying with oxygen-natural gas.
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