Preta普雷塔
PREabbr.Petroleum Refining Engineer炼油工程师
preaeruptorin白花前胡素
PreOrdoviciann.奥陶纪前
pre hardeningn.初凝(预硬化)
pregant woman孕妇
prebasic molt大换羽
pretilt angle预倾角
preformatting[计] 预先格式化
Pre-Heating预热
prefill valve充液阀,满油阀
pre-research预先研究