chemical ship化学品船chemicaladj.化学的n.药品；化学物Chemical Fertilizer Department化肥司chemical-industry enterprise化工企业chemical industrial wastewater化工废水chemical precipitating process化学沉淀法chemical system in power plant电厂化学chemical pressurization system化学蓄压器输送系统, 化学蓄压器系统chemical engineering education化工教育Chemical Research Laboratories化学研究实验室Chemical Engineering Specialty化工专业chemical ionization ion source化学电离离子源