短語(yǔ)詞組短語(yǔ)raw synthesis gas 粗制合成氣raw material gas quenched 原料氣冷激raw material gas 原料氣temporary raw material gas 臨時(shí)原料氣raw material gas chill 原料氣冷激raw materials gas 原料氣raw natural gas 未精制的天然氣;原天然氣;粗天然氣;未經(jīng)處理的天然氣raw coal gas 粗煤氣raw producer gas 粗發(fā)生爐煤氣 返回 raw gas