火花 隙 : 111 phrases in 17 subjects |
Air defense | 2 |
Architecture | 2 |
Automobiles | 18 |
Construction | 1 |
Electric machinery | 2 |
Electricity generation | 1 |
Electronics | 26 |
General | 3 |
Metallurgy | 2 |
Nautical | 1 |
Oil / petroleum | 3 |
Plastics | 1 |
Racing and motorsport | 2 |
Rail transport | 1 |
Shipbuilding | 1 |
Technology | 44 |
Wind Energy | 1 |