Maintenance Platform OMCR
quick maintenance platform
maintenance support information platform
virtual platform for maintenance
engineering district；maintenance of way section；track division；track district；track maintenance division
3 level maintenance tset
active maintenance downtime
active maintenance time
active preventive maintenance time
Adaptive Maintenance
适应性养护
自适应维修
循序修正最佳化
自适应速度控制
适应维护
administration of maintenance equipment
administrative and maintenance message operational
administrative system of preventive maintenance