Preca普雷卡
PREabbr.Petroleum Refining Engineer炼油工程师
preconceived track预定轨迹
precrystallization前结晶
Premarket Approval售前许可
precondition input预处理输入
preocellar bristle单眼前鬃
precooling methods预冷方式
pre frontal cortex前额叶
prefetch processor预取处理机
pre-stowage plan配载图
preheating section预热段