电插 头 : 47 phrases in 14 subjects |
Audio electronics | 1 |
Automobiles | 7 |
Drilling | 2 |
Electronics | 9 |
Explosives and Explosive Ordnance Disposal | 1 |
General | 3 |
Mechanic engineering | 1 |
Multimedia | 1 |
Oil / petroleum | 2 |
Plastics | 1 |
Project management | 1 |
Rail transport | 2 |
Shipbuilding | 3 |
Technology | 13 |