High octane gasoline has been refined more - it is just a better product.
高辛烷汽油已经被精炼更多-它只是一个较好的产品。
The oil carrier is a low toxicity, high flash point refined petroleum product.
这种输油液是低毒性、高燃点的精细石化产品。
The oil carrier is a low toxicity, high flash point refined petroleum product.
这种输油液是低毒性、高燃点的精细石化产品。
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