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彩色板 : 41 phrases in 9 subjects |
| Advertising | 1 |
| Architecture | 1 |
| Aviation | 1 |
| General | 3 |
| Metallurgy | 4 |
| Technology | 24 |
| Telecommunications | 2 |
| Textile industry | 2 |
| Wood processing | 3 |
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