vegetable butter,vegetable tallow是什么意思

用法例句

The differences between diesel oil and the vegetable fatty acid methyl ester that was prepared from the residue of rape oil were studied.

以菜子油油脚为原料制取植物脂肪酸甲酯,考察了该脂肪酸甲酯作为柴油替代燃料在性能方面与柴油的差别;研究了作为柴油添加组分,其加入量对油品性能的影响。