 |
| |||
| 螺帽锁梢 | |||
| 螺母锁紧 | |||
| nut check: 18 phrases in 10 subjects |
| Architecture | 1 |
| Automobiles | 1 |
| Chemistry | 1 |
| Compressors | 1 |
| Electric machinery | 2 |
| Electronics | 2 |
| Mechanic engineering | 2 |
| Metallurgy | 1 |
| Technology | 6 |
| Wind Energy | 1 |
|
| |||
| 螺帽锁梢 | |||
| 螺母锁紧 | |||
| nut check: 18 phrases in 10 subjects |
| Architecture | 1 |
| Automobiles | 1 |
| Chemistry | 1 |
| Compressors | 1 |
| Electric machinery | 2 |
| Electronics | 2 |
| Mechanic engineering | 2 |
| Metallurgy | 1 |
| Technology | 6 |
| Wind Energy | 1 |