 |
| |||
| bur; holystone | |||
| burr | |||
| 用 磨 石磨: 21 phrases in 5 subjects |
| Architecture | 3 |
| Automobiles | 1 |
| General | 9 |
| Mechanic engineering | 1 |
| Technology | 7 |
|
| |||
| bur; holystone | |||
| burr | |||
| 用 磨 石磨: 21 phrases in 5 subjects |
| Architecture | 3 |
| Automobiles | 1 |
| General | 9 |
| Mechanic engineering | 1 |
| Technology | 7 |