chemicaladj.化学的n.药品;化学物
chemical shrinkage or expansion化学收缩
chemically oxidizing atmosphere化学氧化性大气
Chemical cauterization of wound伤口化学灼术
Chemical Engineering Technology化工工艺学
chemical engineering equipments化工设备
chemical cleaning for long pipe长管道清洗
chemical reduction of viscosity化学降粘
chemical agent analyzing method侦毒方法