Prema普雷玛
PREabbr.Petroleum Refining Engineer炼油工程师
Preeoncentration预富集
pre-wet sizing预湿上浆
pre-enamel rod[医] 初釉柱
preclpitin curve沉淀素曲线
Pre - Qin days先秦
preweld interval焊前间隙
Prequalification预审资格
prehistory human古人类
prebaratic chart地面天气形势预报图
pre-tax income税前收入