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安 全 防护 : 63 phrases in 24 subjects |
Air defense | 1 |
Automobiles | 11 |
Aviation | 1 |
Bridge construction | 2 |
Business | 1 |
China | 1 |
Commerce | 1 |
Computer networks | 3 |
Drilling | 2 |
Earth sciences | 1 |
Economy | 1 |
Electronics | 2 |
Explosives and Explosive Ordnance Disposal | 2 |
Fashion | 1 |
Hydroelectric power stations | 4 |
Labor law | 1 |
Metallurgy | 2 |
Rail transport | 2 |
Refrigeration | 1 |
Technology | 13 |
Telecommunications | 2 |
Textile industry | 4 |
United Nations | 2 |
Wind Energy | 2 |