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accordion fold |
形折叠 : 30 phrases in 11 subjects |
Aviation | 1 |
Electronics | 1 |
Exhibitions | 1 |
Explosives and Explosive Ordnance Disposal | 2 |
General | 1 |
Oil / petroleum | 1 |
Plastics | 3 |
Project management | 2 |
Space | 1 |
Technology | 11 |
Textile industry | 6 |