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service test |
工作检验: 31 phrases in 13 subjects |
Aviation | 9 |
Business | 2 |
General | 2 |
Information technology | 1 |
International trade | 1 |
Metallurgy | 1 |
Name of organization | 2 |
Nautical | 1 |
Oil / petroleum | 3 |
Plastics | 1 |
Space | 1 |
Technology | 6 |
Telecommunications | 1 |