brown coal是什么意思、英文翻译及中文解释开头
brown coal
词语: brown coal
解释: 褐色煤
词典: 专利专业英汉词典
brown coal 相关解释
brown coal 褐煤
brown coal 褐煤
brown coal 〔名词〕褐煤
brown coal 〔名词〕褐煤
brown coal 〔名词〕褐煤
brown coal 〔名词〕褐煤
brown coal 〔名词〕褐煤
brown coal 褐煤
brown coal 褐煤
brown coal 〔名词〕褐煤
褐色煤 brown coal