chemical chop化学剥溶
chemicaladj.化学的n.药品;化学物
chemical and biological warfare agents生化战剂
chemical agent for reducing resistance化学降阻剂
chemical reaction during chromatography色谱分析中化学反应
chemical components tube testing method纸色谱法
chemical activation in high temperature高温化学活性
Chemical Constituents of Crepis phoenix万丈深的化学成分
Chemical Agent Munition Disposal System化学剂弹药处理系统
chemicalliquid-vaporized infiltration化学液相气化渗入法