furnace warming

例句：

1. 1. The furnace is designed to provide a high-quality heat source for industrial processes.
   这个熔炉被设计用来为工业过程提供高质量的热源。
2. 2.During the furnace warming process, the temperature gradually increases.
   在熔炉加热过程中，温度逐渐升高。
3. 3.The furnace is essential for producing steel and other metals in large-scale industrial operations.
   熔炉对于大规模工业生产中的钢铁和其他金属生产至关重要。