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| 最大界面 | |||
| maximum surface: 26 phrases in 10 subjects |
| Aviation | 2 |
| Bridge construction | 1 |
| Electronics | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Geology | 3 |
| Mining | 5 |
| Oil / petroleum | 3 |
| Plastics | 1 |
| Refrigeration | 1 |
| Technology | 8 |
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