 |
| |||
| doughnut; grommet | |||
| 头垫圈: 28 phrases in 11 subjects |
| Agriculture | 1 |
| Automobiles | 5 |
| Aviation | 1 |
| Chemistry | 1 |
| Compressors | 1 |
| Construction | 3 |
| Electronics | 2 |
| Oil / petroleum | 1 |
| Rail transport | 1 |
| Shipbuilding | 1 |
| Technology | 11 |
|
| |||
| doughnut; grommet | |||
| 头垫圈: 28 phrases in 11 subjects |
| Agriculture | 1 |
| Automobiles | 5 |
| Aviation | 1 |
| Chemistry | 1 |
| Compressors | 1 |
| Construction | 3 |
| Electronics | 2 |
| Oil / petroleum | 1 |
| Rail transport | 1 |
| Shipbuilding | 1 |
| Technology | 11 |