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逐渐 法 : 22 phrases in 9 subjects |
| Bridge construction | 2 |
| Computer numerical control | 1 |
| Electronics | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Finances | 1 |
| Hydroelectric power stations | 2 |
| Information technology | 2 |
| Oil / petroleum | 1 |
| Technology | 11 |
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