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.
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。
2
It is enough to buy a single barrel of heating.
这只够在冬天购买一桶取暖的油。
3
This paper mainly does research for the numerical simulation of temperature distribution of barrel of injection molding machine in electromagnetic induction heating.