Preani普雷亚尼PREabbr.Petroleum Refining Engineer炼油工程师premenstrual hemat ochezia经前便血precondition of production[计] 产生式规则的先决条件prefabricated steel bridge装配式钢桥prefrontal cortex otopoint额耳穴pre-production finishing产前整理pre emphasized white noise预加重白噪音pre or post--operative术前术后pre-operative evaluation术前评估pre-stressed anchor wire预应力锚索Pre-Release Review Group发布前审查小组