List Management system operation and maintenance. 數據管理系統的操作和維護。
Operation and maintenance of hydro - electrical taphole opening machine in Jinan Iron and Steel Co. 濟鋼液氣混合動力開口機的使用與維護。
Where job ladders are created, further managerial work is involved in managing the operation of the internal labour market. 當工作階梯設置好了以後，需要投入更多的管理工作來管好內部勞動力市場的運營狀況。
The necessary measures to realize power network safe operation is making regional power network dispatching management better. 搞好地區電網調度的管理工作是實現電網安全運行的必要措施。
