Preca普雷卡
PREabbr.Petroleum Refining Engineer炼油工程师
premicellar region胶束化前区
prenylamine lactas乳酸心可定
Precambrian system前寒武系
premary instrument一次仪表
premitotic nucleus有丝分裂前核
prebaked electrode预焙电极
prebriefed mission预先下达的战斗任务
prewritten program预编程序
preamplifier array前置放大器阵列
Precambrian massif前寒武纪地块