loop forming
| method
| loop forming | |
| plast. | 环成形 |
| method | |
| gen. | 法; 标准; 水平 |
| environ. | 方法 |
| hydroel.st. од. | 方法 |
| mech. | 电火花法 |
| |||
| 环成形 | |||
| 成圈 | |||
|
loop forming : 15 phrases in 3 subjects |
| Metallurgy | 1 |
| Technology | 1 |
| Textile industry | 13 |