Preotu普雷奥图PREabbr.Petroleum Refining Engineer炼油工程师premolded joint filler预塑嵌缝板Pre-analysis quality分析前质量pretightening up force预紧力premolded chip carrier预模制芯片载体pre spawning migration产卵前洄游predetection recording检波前记录Pre- expanding flaps预扩张皮瓣predeciduous dentition[医] 乳牙前出牙pre-group modulation前波群调制predicative complement述谓补语