Prela普雷拉
PREabbr.Petroleum Refining Engineer炼油工程师
pre-stressed coping预应力盖梁
predefined convention预定义习惯
pre-stack migration叠前时间偏移
Pre -twist Coupling弯扭耦合
pre-orderable group准可序群
precombustion chamber预燃室
pretreatment of water水的预处理
pre-cast box girder预制箱梁
prednisone wastewater强的松废水
pre-historic graves史前墓葬