Pretl普雷特尔
PREabbr.Petroleum Refining Engineer炼油工程师
pre screener预加网器
predisperser预色散器
predeal talk协议<交易>前商谈
preadmissionn.预进气
pre-igniten.预燃
preductivity生产,生产力,多产
pretesioning先张法
premeability磁导率
precast pile预制桩
preoperculum前盖