valonea
n. 橡碗
例句
Method of collidal titration was adopted to determine tannin content of valonea tannin extract.
用胶体滴定法测定了橡椀栲胶中的单宁含量。
The composition, basic properties and chemical reactions of Turkish valonea extract were discussed.
论述了土耳其橡栲胶的组成、基本性质和改性过程中常用的几种化学反应。