Prela普雷拉
PREabbr.Petroleum Refining Engineer炼油工程师
pre- qin philosophy先秦哲学
pre-assembly method预先装配安装法
precoating filtration硅藻土过滤
pre-assigned labels预分配标记
pre-sample chopping样品前切波
preinvestment program投资前方案
predic tive inference预期推理
pre-denitrification前置反硝化
preoviposition period产卵前期
Premenstrual swelling经前期肿胀