I describe mineral based motor oils as a distilled, concentrated product. The impurities need to be removed from the rawpetroleum.
我们说的矿物油是通过蒸馏提纯之后的成品,杂质要从原油中去除。
2
The chemical industry depends very heavily on petroleum, natural gas, and natural gas liquids as sources of raw materials.
化学工业的原材料来源严重依赖石油、天然气和液态天然气。
3
It can also be turned into jet fuel, and it can be used as a raw material for the manufacture of plastics and many other chemicals normally derived from petroleum.