海军工程营维护保养队
naval construction battalion maintenance unit {= CBMU
维护保养
Maintaining
repairs and maintenances
Daily Care and Maintenance
maintenance and care
preventive maintenance
daily maintenance
Maintenance
Microscopes
维护保养预测
Preventive maintenance forecast
自动洗片机的维护保养
Maintenance of an automatic processor
材料保护保养
material protection and maintain
保护维修
Protection and Maintenance
参数表维护
Maintenance of parameter tables
调节阀的维护维修
Maintenance of Control Valve
多维维护
multi dimension maintenance