powdered abthracite

例句：

1. 1. The mine produces a high-quality powdered abthracite for industrial use.
   该矿生产高质量的粉末状无烟煤用于工业用途。
2. 2.The company uses this powdered abthracite in their furnaces to produce steel.
   该公司使用这种粉末状无烟煤在其炉中生产钢铁。
3. 3. Due to its high thermal conductivity, powdered abthracite is often used as an insulating material in construction.
   由于其高热导率，粉末状无烟煤常被用作建筑中的隔热材料。