maintenance fee赡养费; 生活费maintenancen.维修；维护；保持；生活费用；抚养费maintenance detachment流动修理组maintenance philosophy维护原理maintenance of roadway路基养护Maintenance Work Order保养工作单maintenance statistics维修统计Maintenance Techniques系统维护maintenance management维修管理maintenance and repars[经] 维修(保养)及修理maintenance metabolism维持性代谢maintenance technician修理行业的技术人员