Each one contains 80,000 gallons of light crude oil.

每罐装有80,000加仑轻质原油。

We haven't got any of that here, so I'm just using a light vegetable oil.

我们这里没有这些，所以我用的是轻质植物油。

I'm just using a simple light olive oil here.

我只是在这里使用一种简单的淡橄榄油。

Fred Koch made his fortune after he invented a new thermal cracking technique for converting petroleum into lighter oils and fuel.

弗雷德·科赫 (Fred Koch) 在发明一种将石油转化为较轻的油和燃料的新热裂解技术后发了大财。