| |||
| 统一标准细牙螺纹美 | |||
| 统一细螺纹 | |||
| 统一标准细螺纹 | |||
| 统一细牙螺纹 | |||
| 统一标准细牙螺纹 | |||
|
unified fine thread : 7 phrases in 6 subjects |
| Aviation | 1 |
| Drilling | 1 |
| Earth sciences | 1 |
| Mechanics | 2 |
| Oil / petroleum | 1 |
| Technology | 1 |
| |||
| 统一标准细牙螺纹美 | |||
| 统一细螺纹 | |||
| 统一标准细螺纹 | |||
| 统一细牙螺纹 | |||
| 统一标准细牙螺纹 | |||
|
unified fine thread : 7 phrases in 6 subjects |
| Aviation | 1 |
| Drilling | 1 |
| Earth sciences | 1 |
| Mechanics | 2 |
| Oil / petroleum | 1 |
| Technology | 1 |