短语词组短语burnt t gas 燃烧废气burnt with gas 气烧burnt furnace coal gas 焦炉煤气burnt gas fumes 烟熏;烟熏色牢度burnt gas f umes 烟熏burnt gas stream erode resistance 抗燃气流冲刷temperature measurement of burnt gas 燃气温度测量gas -burnt automotive 燃气汽车 返回 burnt gas