 |
| |||
| 螺距; 径节螺纹; 齿节螺纹 | |||
| pitch thread: 19 phrases in 8 subjects |
| Automobiles | 3 |
| Compressors | 1 |
| General | 1 |
| Hydroelectric power stations | 1 |
| Oil / petroleum | 1 |
| Plastics | 3 |
| Shipbuilding | 1 |
| Technology | 8 |
|
| |||
| 螺距; 径节螺纹; 齿节螺纹 | |||
| pitch thread: 19 phrases in 8 subjects |
| Automobiles | 3 |
| Compressors | 1 |
| General | 1 |
| Hydroelectric power stations | 1 |
| Oil / petroleum | 1 |
| Plastics | 3 |
| Shipbuilding | 1 |
| Technology | 8 |