[化] 褐煤
词型变化:名词复数形式 : brown coals

brown coal的用法和样例:

例句

  1. The methods of making solid coal sorbent and liquid gelsorbent from lignite are also discussed in this paper.列举了由褐煤制取固体煤质吸附剂和液体凝胶吸附剂的方法。
  2. TheASTM rankings for bituminous coal, sub-bituminous coal, or lignite fit the spreader combustion process well.美中试验材料协会根据煤在燃烧时的性能把煤分为烟煤,次烟煤,褐煤几个等级。
【近义词】

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