surface tow
| method
| surface tow | |
| oil | 漂浮法拖管 |
| method | |
| gen. | 法; 标准; 水平 |
| environ. | 方法 |
| hydroel.st. од. | 方法 |
| mech. | 电火花法 |
| |||
| 漂浮法拖管 | |||
|
surface tow : 6 phrases in 2 subjects |
| Nautical | 2 |
| Oil / petroleum | 4 |