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减载 : 95 phrases in 21 subjects |
Automobiles | 15 |
Aviation | 11 |
Bridge construction | 2 |
Business | 1 |
Computers | 1 |
Construction | 1 |
Economy | 1 |
Electric machinery | 1 |
Electronics | 7 |
Engineering geology | 1 |
General | 1 |
Hydroelectric power stations | 1 |
International trade | 1 |
Metallurgy | 1 |
Nautical | 1 |
Navigation | 1 |
Rail transport | 5 |
Refrigeration | 1 |
Space | 3 |
Technology | 35 |
Telecommunications | 4 |