Chemical lab化学实验室chemicaladj.化学的n.药品；化学物Chemical reaction engine化学反应引擎Chemical Warfare Defence化学战防御chemical ore - milling化学选矿Chemical labyrinthectomy化学迷路切除chemically trimming root化学修根chemical accident rescue化学事故救援chemical denudation rate剥蚀速率chemical energy-saving化工节能chemical characteristics化学特性chemical non equilibrium化学非平衡