生煤

例句：

1. 1. The mineproduces a significant amount of raw materials forthe industry.
   该矿为工业生产提供了大量原材料。
2. 2. The coal mine is located in aremote area with limited access to transportation.
   煤矿位于偏远地区，交通不便。
3. 3. Coal mininghas become a major source of employment andeconomic growth in many countries.
   煤炭开采已成为许多国家的主要就业和经济增长来源。