| |||
ball attachment; ballhead; spheric head; spherical head | |||
| |||
ball attachment | |||
| |||
spherical head; ball joint head | |||
| |||
knob top |
球形头 : 96 phrases in 17 subjects |
Architecture | 1 |
Automobiles | 4 |
Aviation | 1 |
Chemistry | 2 |
Compressors | 1 |
Drilling | 4 |
Electronics | 6 |
General | 1 |
Golf | 4 |
Mechanics | 1 |
Metallurgy | 7 |
Nautical | 1 |
Oil / petroleum | 6 |
Plastics | 1 |
Shipbuilding | 6 |
Space | 1 |
Technology | 49 |