refinery flares

例句：

1. 1. The refinery flares were used to light up the night sky.
   炼油厂的火炬被用来照亮夜空。
2. 2.The blast furnace flares were a source of heat for the metallurgical process.
   炼铁炉的火炬是冶金过程的一个热源。
3. 3. The flames from the refinery flares were visible from miles away.
   炼油厂的火炬火焰在几英里外都能看见。