vfas
例句
The concentration ofp cresol and 3 methylindole in the slurry containing vermicompost was lower, compared with control; Vermicompost had also decreased the concentration of most VFAs in pig slurry.
蚯蚓粪也能降低猪排泄物中对甲酚、3 甲基吲哚和部分挥发性脂肪酸的浓度；
