Predo普雷多
PREabbr.Petroleum Refining Engineer炼油工程师
prebrightening预增白
Pre - Sinian前震旦纪
preadult stage成虫前期
pre-leachingn.浸出之前;预浸出
prealar bridge翅前桥
precoated base预涂基层
Pre-hospital院前急救
preimpregnatedadj.预浸渍的
pre-judgment先行判决
preheated ball预热球强度