pretorn.执政官;长官
PREabbr.Petroleum Refining Engineer炼油工程师
preformed matched die预成型模塑法
Predicative sentences判断句
precessional evlocity进动速度
precellular evolution细胞前进化
pre-power amplifier功率预放大器
Precambrian granitoid花岗质岩
pre - tax deduction税前扣除
pre group translation前群变频
precast floor segment预制楼板构件
pre-process circuit预处理电路
"all this is most prettily done"