chemical fit化学配合chemicaladj.化学的n.药品；化学物chemical mortar shell化学迫击炮弹chemical flux cutting氧熔切割chemical sensor array化学传感器阵列chemical seed dresser化学药物拌种机,种子药物清毒机Chemical floceulation化学混凝chemical codeposition化学共沉积chemical purification化学净化法chemical polymorphism化学多态现象chemical disinfectant化学消毒剂Chemical peel of face面部化学去皮法