crude oil and oil product

An increase in oil product demand and in refinery processing volumes helped crude oil import to rise again after last year's decline.

石油产品需求上升和炼油厂加工量增加，使我国原油进口在去年下降之后恢复增长。

There are equipment corrosion, insufficient heavy oil processing depth, environmental pollution, lower product quality and other problems in inferior crude oil processing.

加工劣质原油存在设备腐蚀，重油加工深度不足，污染环境，降低产品质量等问题。

The residual mixture in the extraction process to produce fatty acid and resin from crude tall oil which is a by-product of paper-making industry, is called tall oil pitch.

造纸工业副产品粗塔罗油被提取脂肪酸、松香、油头之后下余的混合物称为浮油沥青。