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入级活动 |
classification activities : 20 phrases in 10 subjects |
Aviation | 1 |
Business | 8 |
Economy | 3 |
Explosives and Explosive Ordnance Disposal | 1 |
Finances | 1 |
International Monetary Fund | 1 |
Logistics | 1 |
Name of organization | 1 |
Technology | 2 |
Textile industry | 1 |