所以，尽管埃克森美孚能够开采出石油，但却不能保证公司的冶炼部门将原油冶炼成汽油或燃料油后就能赚钱。

So even though ExxonMobil pumps oil, it can't guarantee that its refining unit will be able to profitably process a barrel into gasoline or heating oil.

youdao

原矿是不能直接用于高炉冶炼的，必须事先对之加工处理。

Raw ore cannot be used directly in blast furnace. It must be prepared beforehand.

youdao