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| 金相显微镜 | |||
| 全相显微镜 | |||
| 冶金显微镜 | |||
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| 金相显微镜; 冶金显微镜 | |||
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metallurgical microscope : 5 phrases in 3 subjects |
| General | 1 |
| Metallurgy | 1 |
| Technology | 3 |
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