coal refuse

常见例句

Coal refuse is the largest emissions of the industrial solid waste in our country currently, it pollutes seriously environment.
煤矸石是当前我国排放量最大的工业固体废物，严重污染环境。
In-door planting experiment was carried out to study the influence of the mining offal, using coal refuse and fly ash as the planting medium, on the crop of red soybean.
通过室内栽培试验，研究了煤矸石和粉煤灰作为培养基对作物生长的影响。
Extracting alumina from coal refuse, sintering cement clinker directly from residues and circulating waste gas and liquid is a unusual technology for utilization of coal refuse.
从煤矸石中提取氧化铝，并用残渣直接煅烧硅酸盐水泥熟料，同时作废气、废液循环，是煤矸石资源开发利用的新工艺。