 |
| |||
| 电伺服机构 | |||
|
electro-servo : 7 phrases in 5 subjects |
| Air defense | 2 |
| Electric machinery | 2 |
| Hydroelectric power stations | 1 |
| Space | 1 |
| Steel production | 1 |
|
| |||
| 电伺服机构 | |||
|
electro-servo : 7 phrases in 5 subjects |
| Air defense | 2 |
| Electric machinery | 2 |
| Hydroelectric power stations | 1 |
| Space | 1 |
| Steel production | 1 |