冲击 荷载: 45 phrases in 17 subjects |
Automobiles | 5 |
Aviation | 1 |
Bridge construction | 1 |
Business | 1 |
Chemistry | 1 |
Drilling | 2 |
Electronics | 2 |
Engineering geology | 2 |
Explosives and Explosive Ordnance Disposal | 4 |
Hydroelectric power stations | 2 |
Metallurgy | 3 |
Nautical | 2 |
Oil / petroleum | 1 |
Shipbuilding | 1 |
Space | 1 |
Technology | 15 |
Wind Energy | 1 |