perduadj.看不见的;隐藏的
perprep.每;每一;经过;按照
pericanalicular ectoplasm小管周围外浆层
periventricular structure脑室周围结构
perfluorosulfonated resin全氟磺酸树脂
Perforation of pulp floor髓室底穿孔
perforated aluminium panel穿孔铝板
periormance oi value chain价值链绩效
perforated plate conneetor开孔板连接件
Percutaneous vertbroplasty经皮椎体成形术