| |||
| 螺纹管口; 螺纹端; 丝头 | |||
|
threaded end : 16 phrases in 8 subjects |
| Automobiles | 1 |
| Bridge construction | 1 |
| Drilling | 1 |
| Earth sciences | 1 |
| Mechanics | 4 |
| Metallurgy | 2 |
| Oil / petroleum | 1 |
| Technology | 5 |
| |||
| 螺纹管口; 螺纹端; 丝头 | |||
|
threaded end : 16 phrases in 8 subjects |
| Automobiles | 1 |
| Bridge construction | 1 |
| Drilling | 1 |
| Earth sciences | 1 |
| Mechanics | 4 |
| Metallurgy | 2 |
| Oil / petroleum | 1 |
| Technology | 5 |