Prendi普伦迪PREabbr.Petroleum Refining Engineer炼油工程师pre-turbulent regulator预旋风调节装置pre-production planning投产前的规划prerouting analysis table预选路由分析表pre-twisted guide wheel预扭导轮preexistence of knowledge知识先在性pre-trial investigation审前调查pre- stressed gate pier预应力闸墩pre-date bill of lading提前日期提单pre-oxidized processing预氧化Pre - trial proceedings审前程序