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safety codes; safe codes | |||
safe regulations | |||
security code | |||
safety regulation | |||
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emergency decree |
安 全 法规 : 13 phrases in 9 subjects |
Automobiles | 1 |
China | 3 |
Economy | 1 |
Electronics | 1 |
Environment | 3 |
Explosives and Explosive Ordnance Disposal | 1 |
Refrigeration | 1 |
Technology | 1 |
United Nations | 1 |