平 头 钉 : 91 phrases in 19 subjects |
Architecture | 6 |
Automobiles | 8 |
Aviation | 1 |
Bridge construction | 3 |
Business | 1 |
Compressors | 1 |
Construction | 1 |
Drilling | 2 |
Electric machinery | 2 |
Electronics | 1 |
General | 4 |
Hydroelectric power stations | 4 |
Mechanic engineering | 1 |
Metallurgy | 4 |
Oil / petroleum | 1 |
Shipbuilding | 5 |
Space | 2 |
Technology | 42 |
Textile industry | 2 |