短語詞組短語cleaned -coal 洗精煤cleaned powder coal 洗末煤cleaned coal technology 潔淨煤技術quantity of cleaned coal 精煤産量cleaned coal filtration system 精煤過濾系統dry -cleaned coal 乾選煤;乾洗煤cleaned coal quality 精煤質量cleaned coal containing gangue 精煤帶矸salbe cleaned coal 銷售精煤 返回 cleaned coal