oleo-resin essential oil树脂精油
air oil oleo system油气减振系统
air-oil oleo system油气减震系统
N(名词) an oil extracted from beef fat, consisting mainly of a mixture of olein and palmitin. It is used in the manufacture of margarine 液牛油; 从牛脂中萃取的油,主要含有甘油的油脂酸和甘油棕榈酸酯混合物,用于人造黄油的制作