| |||
knuckle screw thread | |||
Edison screw | |||
round thread | |||
knuckle thread | |||
Edison screw thread; knuckle screw thread; rope thread | |||
| |||
round thread |
圆 螺纹: 36 phrases in 11 subjects |
Automobiles | 5 |
Construction | 1 |
Drilling | 2 |
General | 5 |
Mechanics | 1 |
Metallurgy | 1 |
Oil / petroleum | 8 |
Plastics | 1 |
Shipbuilding | 1 |
Technology | 10 |
Textile industry | 1 |