Pennsylvania Emergency Management Agency宾夕法尼亚州应急管理 Process Equipment Manufacturers Association工艺设备制造商协会 Poly Ethyl Methacrylate聚丙烯酸乙 Procurement of Equipment and Missiles, Army采购的设备和导弹部队 Portable Electronic Maintenance Aid (formerly known as Portable Electronic Display Device PEDD)可携式电器维修援助(原名便携式电子显示装置PEDD) Peromyscus Maniculatus (deer mouse)Peromyscus Maniculatus(鹿鼠标) phenylethylmalonamide苯乙基丙二酰胺 Piedmont Emergency Medicine Associates山前急诊医学员工 Professional Environmental Marketing Association专业的环保组织 Public Equipment Managers' Association公共设备经理协会