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investigate and verify | |||
confirmation | |||
verify |
査 证: 61 phrases in 13 subjects |
Agriculture | 1 |
Aviation | 4 |
Business | 5 |
Chemistry | 2 |
China | 8 |
Doping | 1 |
Economy | 23 |
Electronics | 3 |
Exhibitions | 1 |
International trade | 2 |
Law | 1 |
Technology | 9 |
Textile industry | 1 |