operation and maintenance
| processor
| operation and maintenance | |
| earth.sc. | 使用和维护 |
| econ. | 操作与维修 |
| el. | 运行和维护; 操作与维护; 运行与维护; 运行和维修 |
| hydroel.st. | 运行与维护 |
| IMF. | 经营与维护 |
| textile | 使用与维护 |
| wind. | 运行与维修 |
| processor | |
| gen. | 信息处理器 |
| comp. од. | 处理器 |
| manag. | 加工者 |
| math. | 处理程序 |
| met. | 加工装置; 处理机 |
| space | 处理器 |
|
operation and maintenance : 111 phrases in 26 subjects |
| Agriculture | 2 |
| Air defense | 2 |
| Automobiles | 1 |
| Aviation | 13 |
| Business | 3 |
| Commerce | 1 |
| Communications | 4 |
| Computer networks | 2 |
| Earth sciences | 2 |
| Economics | 7 |
| Electronics | 21 |
| Exhibitions | 1 |
| Finances | 1 |
| General | 1 |
| Hydroelectric power stations | 5 |
| Information technology | 5 |
| Management | 1 |
| Project management | 6 |
| Rail transport | 3 |
| Scientific | 1 |
| Shipbuilding | 1 |
| Space | 2 |
| Technology | 13 |
| Telecommunications | 10 |
| Water resources | 2 |
| Wind Energy | 1 |