Preca普雷卡
PREabbr.Petroleum Refining Engineer炼油工程师
preexisting strain残余应变
pre -trial judge预审法官
precholecalciferol预胆钙化醇
premaxillary tooth前齿
premenstrual stage[医] 行经前期
preconception care孕前保健
predicative object谓词性宾语
pre-electrolysis预电解
precipitator tower沉淀塔
pre-sale service售前服务