 |
| |||
| 螺纹刻度盘 | |||
|
thread dial : 7 phrases in 4 subjects |
| Computer numerical control | 1 |
| Construction | 1 |
| Technology | 4 |
| Textile industry | 1 |
|
| |||
| 螺纹刻度盘 | |||
|
thread dial : 7 phrases in 4 subjects |
| Computer numerical control | 1 |
| Construction | 1 |
| Technology | 4 |
| Textile industry | 1 |