劣质软煤
词语: 劣质软煤
解释: sooty coal
词典: 能源专业汉英词典
劣质软煤 相关解释
sooty coal 〔名词〕泥煤
sooty coal 〔名词〕土煤,劣质软煤
劣质软煤 sooty coal
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