Preca普雷卡
PREabbr.Petroleum Refining Engineer炼油工程师
preclosed operator准闭算子
preamble generator报头产生器
pre-waming index预警指标
pre-consultation预诊分科
preignition period预燃期
precast floor unit预制楼板构件
preemphasis device预强调装置
prerolandic sulcus中央前沟
premeditated crime预谋犯罪
precompressed zone预压区