Preci普雷奇PREabbr.Petroleum Refining Engineer炼油工程师pre-swirl nozzles预旋喷嘴prefessional talent专业人才pregnane X receptor孕烷X受体precaudal vertebrae尾前脊椎prednisone acettate强的松醋酸酯pre - Qin culture先秦文化predigree framework谱系框架prereceptor defects受体前缺陷preemphasis network预加重网络predetermined cycle[计] 预定周期