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| mass-spectrometer; mass spectrometer (【技】利用带电粒子在电磁场中能够偏转的原理，按物质的原子或分子质量差异进行分离和检测其组分的仪器。) | |||
| mass spectrometer | |||
| 质谱 分 光计: 5 phrases in 5 subjects |
| Earth sciences | 1 |
| Geology | 1 |
| Oil / petroleum | 1 |
| Oil processing plants | 1 |
| Technology | 1 |
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