底涂层: 116 phrases in 17 subjects |
Architecture | 4 |
Automobiles | 10 |
Bridge construction | 4 |
Compressors | 1 |
Construction | 1 |
Drilling | 1 |
Electronics | 3 |
Exhibitions | 2 |
General | 2 |
Metallurgy | 5 |
Nautical | 2 |
Oil / petroleum | 3 |
Plastics | 3 |
Polymers | 2 |
Space | 1 |
Technology | 69 |
Textile industry | 3 |