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chemical shift correlation spectroscopy化学位移相关频谱学chemical enhancement phosphorus removal化学强化除磷