fuel oil slag

例句：

1. 1. The refinery produces a largeamount of fuel oil slag everyday.
   炼油厂每天产生大量的燃料油渣。
2. 2. The waste from the refineryis often used as fuel oil slag.
   炼油厂的废物通常被用作燃料油渣。
3. 3. The company has beenworking on reducing the amount of fuel oilslag in their operations.
   该公司一直在努力减少其运营中的燃料油渣量。