metallurgical fuel

例句：

1. 1. The steel mill uses a variety ofmetallurgical fuels to producesteel.
   钢铁厂使用各种冶金燃料来生产钢铁。
2. 2. The new furnace requires high-quality metallurgical fuel to operateefficiently.
   新炉子需要高质量的冶金燃料才能高效运行。
3. 3. The research team focused ondeveloping more environmentally friendly metallurgical fuels.
   研究团队专注于开发更环保的冶金燃料。