And rapeseed oilpitch which is the residual mixture in the extraction process to produce 45% sinapinic acid from refined (four-removing) rapeseed oil.
及精炼四脱莱油提取45%的芥酸后的下余物—菜油沥青。
2
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 oilpitch.
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。
3
Tall oilpitch, which is the residual mixture in the extraction process to produce fatty acid and resin from crude tall oil and is also a by-product of paper-making industry.