 |
| |||
| 双轮; 复轮木材 | |||
| 双倍区; 两倍区; 外周圈 | |||
| double ring: 43 phrases in 13 subjects |
| Agriculture | 4 |
| Automobiles | 9 |
| Aviation | 1 |
| Chemistry | 3 |
| Compressors | 2 |
| Darts | 3 |
| Electric machinery | 1 |
| Electronics | 1 |
| Plastic surgery | 1 |
| Polymers | 2 |
| Space | 1 |
| Technology | 13 |
| Textile industry | 2 |
|
| |||
| 双轮; 复轮木材 | |||
| 双倍区; 两倍区; 外周圈 | |||
| double ring: 43 phrases in 13 subjects |
| Agriculture | 4 |
| Automobiles | 9 |
| Aviation | 1 |
| Chemistry | 3 |
| Compressors | 2 |
| Darts | 3 |
| Electric machinery | 1 |
| Electronics | 1 |
| Plastic surgery | 1 |
| Polymers | 2 |
| Space | 1 |
| Technology | 13 |
| Textile industry | 2 |