P 开头单词
pre-contract obligation [法學]先郃同義務
pre-conditioning n.前調理
pre-conditioned conjugate-gradient approach [地球科學]預処理共軛梯度法
pre-condition n. 前提條件；先決條件
pre-comminution 預粉碎
pre-colonial adj.淪爲殖民地前的；殖民地時期前的
pre-collector 前級除塵器
pre-cold-frontal squall line 鋒前颮線
pre-cleaner 預淨機
pre-chlorine 預氯化
pre-chlorination 預氯化
pre-cambrian period [地球科學]前寒武紀
pre-burning 預燃
pre-book v.預訂；預約
pre-base 準基
pre-assessment 預評價
pre-assembly n.前部件