 |
| |||
| 拉紧装置; 基线拉尺器 | |||
| tension apparatus: 12 phrases in 5 subjects |
| Architecture | 1 |
| Electric machinery | 1 |
| Metallurgy | 1 |
| Shipbuilding | 2 |
| Technology | 7 |
|
| |||
| 拉紧装置; 基线拉尺器 | |||
| tension apparatus: 12 phrases in 5 subjects |
| Architecture | 1 |
| Electric machinery | 1 |
| Metallurgy | 1 |
| Shipbuilding | 2 |
| Technology | 7 |