基本解释乙酰乙酸盐[酯]同根派生 英汉例句Keywords acetyl acetate, formaldehyde, Acetylacetate ester, Detrimine, spectrophotometry; 乙酰丙酮;甲醛;乙酰乙酸乙酯;毒鼠强;分光光度法;