Preng布伦
PREabbr.Petroleum Refining Engineer炼油工程师
pre-damage预损伤
Preculminate前顶的
pre estimatevt.预测
preconditionn.先决条件;前提v.预先准备
pre-winter越冬前期
Prenat Diagn产前诊断
preoral lobe口前叶
preovulation排卵前(动)
prereductionn.预先还原
preoral bone眶前骨