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波纹形 : 56 phrases in 13 subjects |
| Agriculture | 4 |
| Aviation | 1 |
| Construction | 1 |
| Desert science | 1 |
| Electronics | 2 |
| Exhibitions | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| General | 5 |
| Physics | 1 |
| Refrigeration | 1 |
| Space | 1 |
| Technology | 28 |
| Textile industry | 9 |
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