Preum布隆
PREabbr.Petroleum Refining Engineer炼油工程师
pre-settingn.预定形
prebored hole预钻孔
preconditiong预处理
predepositionn.预淀积
pregnanedione孕二酮
Preligamental韧带前的
preadjustment预先调整
prewet screen预湿筛
pre-polymer预聚合物
precast block预制块