preden.发情期
PREabbr.Petroleum Refining Engineer炼油工程师
precasting yard预制工住
pre-detention未决羁押
preceding value先前值
Pregnanrt women孕妇
pre-open sets预开集
prearcing curve预燃曲线
pre-amplitler前置放大器
precharge pulse预充电脉冲
pre ssed girder模压梁
pre-annealing预先退火