coal refuse
短語(yǔ)詞組
- calcination coal mine refuse 煆燒煤矸石
- coal -refuse fragment dimension 煤矸塊度
- firebrick from coal refuse 矸石甎
- characteristics of coal refuse 煤矸石特性
- acid coal refuse 酸性煤矸石
- high sulfur coal refuse 高硫煤矸石
- coal refuse foundation 矸石地基 返回 coal refuse