 |
| |||
| 螺纹管 | |||
| 螺旋管 | |||
| 螺旋盘管; 螺盘管; 盘管; 蛇管 | |||
|
spiral pipe : 28 phrases in 7 subjects |
| Chemistry | 2 |
| Drilling | 2 |
| Electronics | 1 |
| Hydroelectric power stations | 1 |
| Metallurgy | 5 |
| Oil / petroleum | 8 |
| Technology | 9 |
|
| |||
| 螺纹管 | |||
| 螺旋管 | |||
| 螺旋盘管; 螺盘管; 盘管; 蛇管 | |||
|
spiral pipe : 28 phrases in 7 subjects |
| Chemistry | 2 |
| Drilling | 2 |
| Electronics | 1 |
| Hydroelectric power stations | 1 |
| Metallurgy | 5 |
| Oil / petroleum | 8 |
| Technology | 9 |