Prelle普雷莱PREabbr.Petroleum Refining Engineer炼油工程师precoat-recycle tank预涂层-循环池predetermining circuit预定电路premarriage counseling婚前辅导Premarin Vaginal Cream倍美力阴道软膏(含conjugated estrogens)pre-emphasis network频响预校网络Preeclampsia pregnancy子痫前期pretreatment mechanism预处理机制pre-stressed tendons预应力筋pre-teacher training教师职前培训pre-exposure fasting照射前禁食