chemical form化学形态
chemicaladj.化学的n.药品;化学物
chemical deposition method化学沉淀法
chemical defense equipment防化装备
chemical emulsion breaking化学破乳
chemical building material[化] 化学建材
chemical analysis on steel钢铁化学分析
chemically softened rubber化学软化橡胶
chemical structure of coal煤的化学结构
chemical conversion process化学转化工艺
chemical building materials[化] 化学建材