bituminous coal fines

例句：

1. 1.The fines in the bituminous coal are used to make high-quality steel.
   烟煤中的细粒被用来生产高质量的钢材。
2. 2. The company uses these fines to produce a variety of chemicals and fuels.
   该公司利用这些细粒生产各种化学品和燃料。
3. 3. The fines from the bituminous coal are also used as a source of energy.
   烟煤中的细粒也作为能源来源使用。