prein压平布面方法
PREabbr.Petroleum Refining Engineer炼油工程师
preconvex functions预不变凸函数
precipitating bottl沉淀瓶
pre-exercise meal运动前进餐
pre-verbal adverb动词前的副词
pre-preg filament预浸胶丝
preanesthetic agent麻醉前用药
prearranged barrage预定拦阻射击
pre-equilibrationn.前置平衡
pre- qin scholars先秦诸子
pre-configuration预配置