| |||
| 双头螺丝板 | |||
|
double spanner : 13 phrases in 6 subjects |
| Automobiles | 1 |
| Aviation | 1 |
| Compressors | 1 |
| Exhibitions | 1 |
| Metallurgy | 1 |
| Technology | 8 |
| |||
| 双头螺丝板 | |||
|
double spanner : 13 phrases in 6 subjects |
| Automobiles | 1 |
| Aviation | 1 |
| Compressors | 1 |
| Exhibitions | 1 |
| Metallurgy | 1 |
| Technology | 8 |