排气系统 : 102 phrases in 17 subjects |
Architecture | 1 |
Automobiles | 35 |
Aviation | 6 |
Ecology | 2 |
Electronics | 18 |
Explosives and Explosive Ordnance Disposal | 1 |
General | 1 |
Metallurgy | 1 |
Nautical | 3 |
Nuclear and fusion power | 3 |
Oil / petroleum | 2 |
Racing and motorsport | 1 |
Refrigeration | 2 |
Space | 2 |
Steel production | 1 |
Technology | 22 |
Wind Energy | 1 |