发布日期:2012-12-19 19:53:36
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许多城市的公交客车上写有“CNG”,这是压缩天然气的英文缩写。则下列说法中错误的是 A.CNG的主要成分是酒精 B.用CNG作汽车燃料,能减少空气污染 C.天然气燃烧是氧化反应 D.西气东输中气体的主要成分也是天然气 |