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。
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.
本研究系用造纸工业附产品塔尔油，被提取脂肪酸、松香之后下余的混合物—浮油沥青。
Tall oil pitch, 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.
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