maintenance interval
维修周期
保养周期
修理周期
维修间隔
维修间隔期
磨损规律
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
适应维护
自适应速度控制
循序修正最佳化
administration of maintenance equipment
agricultural machinery maintenance
Aircraft maintenance management
Aircraft maintenance worker
amino acid profile for maintenance