Predi普雷迪
PREabbr.Petroleum Refining Engineer炼油工程师
preformulation study处方前研究
preheat requirements预热的要求
pre-polymerization预聚
prececal lymph nodes盲肠前淋巴结
prefabricated T beam预制T梁
precast hollow panel预制空心板
precast branch cable预制分支电缆
pre-transformation预相变
precast box-girder预制箱梁
pre-tech programme专科预备课程