| |||
| ★ 外螺纹 | |||
| 外部螺纹; 阳螺纹 | |||
|
external-thread : 18 phrases in 7 subjects |
| Compressors | 1 |
| Mechanics | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 5 |
| Plastics | 1 |
| Space | 1 |
| Technology | 8 |
| |||
| ★ 外螺纹 | |||
| 外部螺纹; 阳螺纹 | |||
|
external-thread : 18 phrases in 7 subjects |
| Compressors | 1 |
| Mechanics | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 5 |
| Plastics | 1 |
| Space | 1 |
| Technology | 8 |