The sameness and difference between Code for Design of City Gas Engineering and internal and external standards are analyzed.
分析了《城镇燃气设计规范》与国内外标准的异同。
The present situation of coal gas in China is analyzed, and the principal revised contents of the coal gas chapter of Code for Design of City Gas Engineering is introduced.
分析了我国煤制气的现状，介绍了城镇燃气设计规范煤制气部分修编的主要内容。
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