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female pipe thread | |||
internal pipe thread |
管内螺纹 : 44 phrases in 14 subjects |
Automobiles | 4 |
Aviation | 3 |
Chemistry | 3 |
Compressors | 1 |
Construction | 1 |
Drilling | 2 |
Earth sciences | 1 |
Electronics | 1 |
Mechanic engineering | 1 |
Metallurgy | 3 |
Nautical | 1 |
Oil / petroleum | 6 |
Shipbuilding | 1 |
Technology | 16 |