| |||
| 悬架调平水平，高度控制系统; 液面调整装置 | |||
| 液位控制系统 | |||
|
level control system : 21 phrases in 9 subjects |
| Aviation | 2 |
| Communications | 1 |
| Electronics | 1 |
| Metallurgy | 10 |
| Nautical | 1 |
| Nuclear and fusion power | 1 |
| Rail transport | 2 |
| Space | 1 |
| Technology | 2 |
| |||
| 悬架调平水平，高度控制系统; 液面调整装置 | |||
| 液位控制系统 | |||
|
level control system : 21 phrases in 9 subjects |
| Aviation | 2 |
| Communications | 1 |
| Electronics | 1 |
| Metallurgy | 10 |
| Nautical | 1 |
| Nuclear and fusion power | 1 |
| Rail transport | 2 |
| Space | 1 |
| Technology | 2 |