Prela普雷拉
PREabbr.Petroleum Refining Engineer炼油工程师
prednisolone tebutate强的松龙叔丁乙酯
precondition operator预条件算子
precheliceral segment螯前节
precoated metal sheet预涂金属板
pre-paid phone card储值卡
pre - understanding前理解
pre-mixing concrete预拌混凝土
precondition analysis先决条件分析
prerotation mechanism预旋机理
pre-harvest tillage收割前耕作