Prexa普雷克萨牌手表
PREabbr.Petroleum Refining Engineer炼油工程师
preconceived ideas先入之见,成见
prejudicial impact偏见影响
preamplifier valve压放电子管,前置放大管
pre-ferred valve优选值
pre - peak state峰前状态
preformatted sheet预格式化表格
precessional orbit旋进轨道
preriminary design初步设计
pre-notice audit[经] 预先通知审计
pre-coordination先组式