thermal coal or steam coal?

【专家解说】：thermal coal 电煤（供给发电厂的）是Thermal coal 基本翻译 热能煤 网络释义 Thermal coal:热能煤|电煤|用于发电的煤 thermal stability of coal:煤的热稳定性 Determination of thermal stability of coal:煤的热稳定性测定方法 steam coal 基本翻译 动力煤；蒸汽煤；短沼煤；锅炉煤 网络释义 steam coal:动力煤|短沼煤|锅炉煤 Steam locomotive coal water equipment:蒸汽机车煤水设备 Indonesia steam Coal:印尼煤 http://dict.youdao.com/search?q=%E7%94%B5%E7%85%A4&ue=utf8&keyfrom=dict.index