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| emission spectrograph | |||
| emission spectrometer | |||
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发射光谱仪 : 17 phrases in 8 subjects |
| Earth sciences | 1 |
| Electronics | 4 |
| Environment | 1 |
| Food industry | 2 |
| Metallurgy | 2 |
| Space | 3 |
| Technology | 3 |
| Water resources | 1 |
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