| |||
square head screw | |||
lag screw | |||
screw bolt | |||
coach screw; square-head screw; square-headed screw | |||
| |||
coachscrew | |||
| |||
coach screw |
方头螺钉 : 17 phrases in 7 subjects |
Architecture | 1 |
Automobiles | 1 |
Aviation | 1 |
Construction | 1 |
Metallurgy | 1 |
Shipbuilding | 3 |
Technology | 9 |