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电话 会 议 : 73 phrases in 16 subjects |
Aviation | 4 |
Business | 4 |
Communications | 5 |
Computer networks | 1 |
Economy | 1 |
Electronics | 13 |
Exhibitions | 1 |
General | 1 |
Information technology | 11 |
Oil / petroleum | 1 |
Rail transport | 3 |
Securities | 1 |
Space | 2 |
Sports | 1 |
Technology | 10 |
Telecommunications | 14 |