非常规维修
NRM NonRoutine Maintenance
机电维修维护
Electromechanical maintenance
三维规则数据场
3D regular point sets
three dimensional regular data field
三维规则无界区域问题
problems in regular unbounded domains
维修规程
maintenance instruction
rules and procedures for maintenance
repair order
维修规划
modeling of maintenance planning
maintenance scheme
维修维护
Maintenance and Servicing
servicing and maintenance
Maintaining