[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】

According to the latest data from the General Administration of Customs (GAC), China's net import(净出口) of coal hit 103.43 million tons in 2009. Last year, China exported 22.40 million tons of coal, down 50.7 percent year on year, while its coal

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发表于:2018-12-11 / 阅读(27) / 评论(0) 分类 澳洲ABC新闻快递2011年

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