International market oil price keeps running under high price level, the price margin of inferior crude oil and high-qualitycrude oil increases.
国际原油持续在高价位下运行，劣质原油与优质原油的价差拉大。
2
Even though the United States relies very little on Libya for imports, the reduction of high-qualitycrude on world markets has pushed up oil and gasoline prices for Americans as well.
虽然美国从利比亚进口的原油非常少，但是全世界高质量原油的减少也推高了美国石油和汽油价格。
3
Highquality super fine zinc dusts are produced with electric furnace crude zinc pig as raw material by using distillation condensation technology.