communication network operation and maintenance
Base Station System Operation and Maintenance Application Part BSSOMAP
BSS Operation and Maintenance Application Part BSSOMAP
car operation and maintenance
Centralized Operation and Maintenance
function layered operation and maintenance system
instruction on operation and maintenance
IT operation and maintenance
Locomotive Operation and Maintenance
locomotive operation and maintenance work
network operation and maintenance
OAM Operation And Maintenance
OMC Operation and Maintenance Center
OMC-S(operation and maintenance center-swith)
OMS Operation and Maintenance Subsystem
operation and maintainmance
operation and maintenance
运行维修
使用维护
操作和维护
操作维修
运行与维护
使用与维修
运行维护
维护管理
使用和维护
维护
运行和维护
使用和维修
使用保养
运维
运用检修
运用维护
操作维护
运营维护
2. 操作及维修
Operation and Maintenance Application Part OMAP
operation and maintenance center