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防 护 的 : 117 phrases in 30 subjects |
Agriculture | 5 |
Architecture | 3 |
Automobiles | 3 |
Aviation | 10 |
Bridge construction | 1 |
China | 1 |
Commerce | 1 |
Dentistry | 1 |
Desert science | 1 |
Drilling | 2 |
Economy | 1 |
Electronics | 6 |
Explosives and Explosive Ordnance Disposal | 2 |
Finances | 1 |
General | 20 |
Geology | 1 |
Hydroelectric power stations | 4 |
Metallurgy | 2 |
Nautical | 1 |
Navigation | 1 |
Oil / petroleum | 1 |
Polymers | 1 |
Rail transport | 1 |
Refrigeration | 1 |
Space | 5 |
Sports | 1 |
Technology | 31 |
Telecommunications | 2 |
Textile industry | 2 |
United Nations | 5 |