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城市燃气化格局从以人工煤气为主、液化石油气和天然气为辅,向优先采用天然气、积极发展液化石油气、逐步限制人工煤气发展的转化是国际上城市燃气化发展的趋势。欧美地区几乎所有的国家(包括
The pattern of urban gasification is mainly supplemented by artificial gas, liquefied petroleum gas, and natural gas. The transition to the preferential use of natural gas, the active development of liquefied petroleum gas, and the progressive restriction of the development of artificial gas is the trend of the development of urban gasification internationally. Almost all countries in Europe and the United States (including