| |||
driftpin; insert | |||
axle; triblet | |||
| |||
mandrel |
心棒 : 46 phrases in 12 subjects |
Automobiles | 2 |
Aviation | 1 |
Economics | 1 |
Electric machinery | 2 |
Electronics | 7 |
General | 6 |
Mechanic engineering | 1 |
Metallurgy | 8 |
Mining | 2 |
Oil / petroleum | 1 |
Space | 1 |
Technology | 14 |