lean coal-fired boiler的意思|示意
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贫煤锅炉
lean coal-fired boiler的网络常见释义
贫煤锅炉 关键词： 动力机械工程；贫煤锅炉；烟煤；可行性；试验 [gap=1565]Key words: power and mechanical engineering; lean coal-fired boiler; bituminous coal; feasibility; test