preparation act预备行为preparationn.准备；预备；配制preparations for artificial feeding人工喂养制品Preparation of Glitter Powder Agent金葱片粘合剂的研制Preparation of tendering beef jerky嫩化型牛肉干的研制Preparation of perilla oil emulsion紫苏油乳剂制备工艺研究preparation of Ca-based absorbent钙基脱硫剂制备Preparation of banana glucose syrup香蕉葡萄糖浆的制备PREPARATION OF TRITIUM LIGHT SOURCES氚光源的研制Preparation of radiation therapy aid放射治疗辅助法的准备Preparation of Alumina Foam Ceramics氧化铝泡沫陶瓷的制备Preparation of the check register.支票登记本的登记和保管。