问答题

简答题翻译：In these early days, as lamp oil, was the important product and the main objects of refining was to extract as much of it as possible from the crude. Lubricants and some fuel oil were also sold, but gasoline was burnt off as unwanted and bitumen was also largely useless.

【参考答案】

在早期，灯油是重要产品，炼制石油的目标就是从原油中获得尽可能多的灯油。那时也出售润滑油和一些燃料油，但是汽油被作为燃气被......

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简答题 翻译：In these early days, as lamp oil, was the important product and the main objects of refining was to extract as much of it as possible from the crude. Lubricants and some fuel oil were also sold, but gasoline was burnt off as unwanted and bitumen was also largely useless.