Preani普雷亚尼PREabbr.Petroleum Refining Engineer炼油工程师precontact equipment check设备连接前检查pretarsal lymphatic plexus睑板前淋巴丛pre-treatment technology前处理技术pre-stressed anchor rods预应力锚索pre-stressed anchor rope预应力锚索preoxidation algae removal预氧化除藻preformulation methodology处方设计方法学prequalification of bidder对投标者的资格预审pre-competition training赛前练习prefrontal sonic treatment前额声波治疗