chemical firm化学公司
chemicaladj.化学的n.药品;化学物
Chemical Engineering Practice化工实习
Chemical Dictionary On-line化学辞典联机数据库
chemically polished substrate化学抛光衬底
chemical chain reaction laser化学链式激光器
chemical-looping combustion化学链燃烧
chemical principle experiment化工原理实验
chemical processing of silica硅石化学加工
chemical reaction engineering化学反应工程
chemical vapor transportation化学气相输运
chemically active film former化学活性膜生成元素