 |
| |||
| 水平轧辊; 水平成形辊 (焊管成形机组的) | |||
| 卧式轧辊 | |||
| horizontal roll: 17 phrases in 6 subjects |
| Metallurgy | 11 |
| Scuba diving | 1 |
| Skydiving | 1 |
| Steel production | 1 |
| Submarines | 1 |
| Technology | 2 |
|
| |||
| 水平轧辊; 水平成形辊 (焊管成形机组的) | |||
| 卧式轧辊 | |||
| horizontal roll: 17 phrases in 6 subjects |
| Metallurgy | 11 |
| Scuba diving | 1 |
| Skydiving | 1 |
| Steel production | 1 |
| Submarines | 1 |
| Technology | 2 |