quebracho
英
美
n. 白坚木（南美产的漆树科乔木）
双语例句
- Application and prospect of quebracho ( tannin) as drilling fluid additive
栲胶类钻井液处理剂的应用及前景 - Tanning Agent Prepared by Degradation of Acorn-cup Quebracho Extract Molecular of Metallic Complexation
橡碗栲胶分子降解&金属络合制造鞣剂木素磺酸钠对坚木栲胶的改性研究