| |||
compression area | |||
compression zone | |||
compressional zone |
压缩区 : 15 phrases in 9 subjects |
Air defense | 1 |
Aviation | 1 |
Electronics | 2 |
Explosives and Explosive Ordnance Disposal | 2 |
Metallurgy | 3 |
Space | 1 |
Technology | 3 |
Telecommunications | 1 |
Water polo | 1 |