coal refuse

常見例句

Coal refuse is the largest emissions of the industrial solid waste in our country currently, it pollutes seriously environment.
煤矸石是當前我國排放量最大的工業(yè)固體廢物，嚴重污染環(huán)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.
通過室內(nèi)栽培試驗，研究了煤矸石和粉煤灰作為培養(yǎng)基對作物生長的影響。
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.
從煤矸石中提取氧化鋁，并用殘渣直接煅燒硅酸鹽水泥熟料，同時作廢氣、廢液循環(huán)，是煤矸石資源開發(fā)利用的新工藝。