煤气
coal gas(cg)，gas◇半净煤气semicleaned gas，厂内自用煤气gas for works’use，粗［荒］煤气crude［raw］gas，低(发)热值煤气*，动力煤气power gas，富煤气strong gas，含水［未脱水］的煤气moisture-laden gas，贫煤气poor gas，人造煤气manufactured gas，三混煤气*，水［蓝］煤气water-gas，blue gas，洗过的煤气clean gas，原生煤气primary gas，远程供应［管道输送］的煤气piped gas |