prean甲基眠尔通
PREabbr.Petroleum Refining Engineer炼油工程师
pre-reading tasks阅读前期任务
pre-design survey设计前期调查
pre-group carrier前波群载波
predefined sequence[计] 预定义序列
Prececal lymph node盲肠前淋巴结
predication parsing预测分析法
preepiglottic space会厌前间隙
precontact position接触前位置