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安 全 措施 : 98 phrases in 33 subjects |
Air defense | 1 |
Architecture | 1 |
Automobiles | 2 |
Aviation | 1 |
Bridge construction | 3 |
Business | 8 |
Chemistry | 2 |
China | 6 |
Commerce | 2 |
Computer numerical control | 1 |
Cryptography | 3 |
Drilling | 1 |
Economy | 5 |
Electronics | 6 |
Engineering geology | 1 |
Exhibitions | 2 |
Explosives and Explosive Ordnance Disposal | 1 |
General | 3 |
Hydroelectric power stations | 2 |
Information technology | 3 |
Labor law | 4 |
Management | 2 |
Metallurgy | 3 |
Nautical | 1 |
Project management | 1 |
Rail transport | 1 |
Refrigeration | 1 |
Space | 2 |
Technology | 24 |
Telecommunications | 1 |
Transport | 1 |
United Nations | 2 |
Wind Energy | 1 |