maintenance way维修方式maintenancen.维修；维护；保持；生活费用；抚养费maintenance function deployment维护功能配置maintenance of social stability维持社会稳定maintenance of wakefulness test清醒维持试验Maintenance Identification Code维修识别码maintenance performance entropy维修效能熵MAINTENANCE OF THE SALES LEDGER销售分类帐管理Maintenance Communications Unit维修通信装置maintenance operation subsystem维护操作子系统maintenance and support expense维修保障费用Maintenance Responsibility File维修责任档案