coal slack

常见例句

双语例句

• Coal slack is one of industrial waste residues.
  煤矸石是我国排放量最大的工业废渣之一。
• So the study on coal slack should be enhanced in order to make it become a sort of resources.
  加强对煤矸石利用的研究，以将其资源化。
• For silica fume and coal slack, the error value of measure by acid dissolution method is big and the reaction activity is lower.
  煤矸石和Ⅱ级磨细粉煤灰的火山灰活性比Ⅰ级分选粉煤灰较大； 酸溶法测定的煤矸石或硅灰的火山灰活性误差较大，活性偏低；

权威例句

• Natural gas, which emits 45% less carbon dioxide than coal, would take up most of the slack.
  FORBES: OutFront
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