semisplint coal

例句：

1. 1. The mine produces a variety of semisplint coal for industrial use.
   该矿生产多种工业用途的半碎煤。
2. 2.Due to the high demand for energy, coal mining has become an essential industry in many countries.
   由于对能源的高需求，煤炭开采已成为许多国家的重要产业。
3. 3. The company's main product is semisplint coal, which is used as fuel for power plants.
   该公司的主要产品是半碎煤，用于发电厂作为燃料。