“煤矸石”造句

煤矸石是我国最大的工业固体废物源.
Coal gangue is the largest source of industrial solid waste in China.

煤矸石是采煤业选煤的尾矿.
Coal waste is tailings of coal concentration of coal - winning industry.

煤矸石喷射水泥主要用于喷射混凝土.
The gangue jet cement is mainly used in shotcrete.

• #煤矸石