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expansion plane |
膨胀面 : 21 phrases in 11 subjects |
Agriculture | 1 |
Aviation | 4 |
Business | 1 |
Economy | 1 |
Explosives and Explosive Ordnance Disposal | 3 |
International trade | 1 |
Metallurgy | 3 |
Oil / petroleum | 1 |
Rail transport | 1 |
Space | 2 |
Technology | 3 |