Petcu佩特库petn.宠物；受宠的人adj.宠爱的v.爱抚；亲抚Petruschky's litmus wheypetro-occipital suture[医] 岩枕缝petrophysical parameters岩石物理参数petrographical formation岩层Petostreptococcus micros微小消化链球菌PET fine denier filament涤纶细旦丝Petrogale purpureicollisn.紫颈岩袋鼠petrochemical equipments石油化工装置Petromyscus monticularisn.高山岩攀鼠petrographic test method岩相法