Perre佩列perprep.每；每一；经过；按照Peronospora aquatican.水苦荬霜霉Perioperativc period围术期perfluorinated chain全氟烃链peripteral octastyle八柱围柱式percolation behavior渗流特征perforating fracture穿孔性骨折perforated sprinkler多孔管喷灌装置perforated diaphragm多孔隔膜Perovskite manganese钙钛矿锰氧化物Periopcrative period围手术期