PACXn.专用自动计算机交换机PACabbr.太平洋的(=Pacific)abbr.无人驾驶飞机(=Pilotless Aircraft)abbr.政治行动委员会(=political action committee)Pachiramacrocarpa瓜栗Pachyrhizus erosusn.豆薯pachyderma vesicae[医] 膀胱粘膜肥厚pachira macrocarpa发财树Pacinian corpuscle帕西尼体,环层小体Pachyman sulfonate茯苓多糖硫酸酯Pac Man Collection小精灵全集 Epacchionian glands[医] 蛛网膜粒pachycephalosaurusn.肿头龙Pachygnathadegeerin.德氏粗螯蛛