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| 水色计 | |||
| 测色计 | |||
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colour meter : 14 phrases in 7 subjects |
| Agriculture | 1 |
| Animal husbandry | 1 |
| Metallurgy | 1 |
| Nautical | 1 |
| Plastics | 1 |
| Space | 1 |
| Technology | 8 |
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