metallurgical coal

例句：

1. 1.The steel mill uses this type of coal to produce steel.
   钢铁厂使用这种煤来生产钢铁。
2. 2.The metallurgical industry relies heavily on the availability of this resource.
   冶金行业严重依赖这种资源的可用性。
3. 3.The coal mine is located in a region with abundant resources, providing a significant source of metallurgical coal.
   煤矿位于资源丰富的地区，为冶金业提供了重要的煤炭供应。