缩写	全称	中文释义
DM	Delayed Mail	延迟邮件
APWU	American Postal Workers Union	美国邮政工人联合会
CAKT	Computer-Assisted Keyboard Training	计算机辅助键盘培训
VN/BV	Verification Note/Bulletin of Verification	验证说明/验证公告
PDC/F	Processing and Distribution Center/Facility	加工配送中心/设施
VARS	Vending Activity Reporting System	自动售货活动报告系统
MOS	Maintenance Operations Support Clerk	维修操作支持文员
ASF	Administrative Support Facility	行政支持设施
DDU	Destination Delivery Unit	目的地交货单位
PIRS	Productivity Information Reporting System	生产力信息报告系统