![]() |
| |||
contravalid |
反有效 : 37 phrases in 14 subjects |
Agriculture | 1 |
Automobiles | 1 |
Aviation | 2 |
Business | 1 |
Communications | 1 |
Electronics | 7 |
Exhibitions | 1 |
Explosives and Explosive Ordnance Disposal | 1 |
General | 1 |
Logistics | 1 |
Polymers | 1 |
Space | 6 |
Sports | 2 |
Technology | 11 |