Warning: file_put_contents(/www/wwwroot/ppbbu/4cd.cn/cache/03153acdef12119b4108ef17da98a9e8.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/4cd.cn/index.php on line 55 coal gas英英字典_coal gas剑桥英语解释_coal gas柯林斯英文解释_沉淀汉英词典
1. N a mixture of gases produced by the distillation of bituminous coal and used for heating and lighting: consists mainly of hydrogen, methane, and carbon monoxide 煤气