piston head | |
auto. | 活塞顶 |
set screw | |
compr. | 止动螺钉; 防松螺钉 |
construct. | 固定 螺丝 |
mech. | 固定 螺钉 |
met. | 定位螺钉; 固定螺钉; 调整螺钉 |
| |||
活塞顶头部 | |||
活塞顶; 活塞头 |
piston head set screw : 40 phrases in 7 subjects |
Automobiles | 15 |
Compressors | 3 |
General | 1 |
Nautical | 1 |
Oil / petroleum | 1 |
Shipbuilding | 3 |
Technology | 16 |