提炼石油 meaning in Chinese
run oil
Examples
- They are by-products from the oil extraction .
它们是提炼石油时产生的副产品。 - Kerosene is a by - product of petroleum refining
煤油是提炼石油的副产品。 - The majors ' poor showing also reflects lower profits from refining , as the difference in price between petrol and crude oil has fallen from the exceptionally high levels of recent months
而大型石油公司的利润下滑也反映出提炼石油的利润越来越低，这主要是由于石油和原油价格差在近几个月已不如前几个月那么大。