| |||
| 铆钉墩座; 按钮组; 铆钉圆头成型器 | |||
|
button set : 8 phrases in 5 subjects |
| Automobiles | 2 |
| Communications | 1 |
| Oil / petroleum | 1 |
| Project management | 1 |
| Technology | 3 |
| |||
| 铆钉墩座; 按钮组; 铆钉圆头成型器 | |||
|
button set : 8 phrases in 5 subjects |
| Automobiles | 2 |
| Communications | 1 |
| Oil / petroleum | 1 |
| Project management | 1 |
| Technology | 3 |