 |
| |||
| 随动〔伺服〕系统电位计; 平衡〔补偿〕电位计 | |||
| balance potentiometer: 5 phrases in 4 subjects |
| Electronics | 1 |
| Metallurgy | 2 |
| Shipbuilding | 1 |
| Technology | 1 |
|
| |||
| 随动〔伺服〕系统电位计; 平衡〔补偿〕电位计 | |||
| balance potentiometer: 5 phrases in 4 subjects |
| Electronics | 1 |
| Metallurgy | 2 |
| Shipbuilding | 1 |
| Technology | 1 |