coal slack

常见例句

雙語例句

• Coal slack is one of industrial waste residues.
  煤矸石是我國排放量最大的工業廢渣之一。
• So the study on coal slack should be enhanced in order to make it become a sort of resources.
  加強對煤矸石利用的研究，以將其資源化。
• 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級磨細粉煤灰的火山灰活性比Ⅰ級分選粉煤灰較大； 酸溶法測定的煤矸石或矽灰的火山灰活性誤差較大，活性偏低；

權威例句

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