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| 机械实验室 | |||
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| 机械实验室; 力学实验室 | |||
| 机械实验室 | |||
| 机械试验室 | |||
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механический лаборатория : 6 phrases in 3 subjects |
| General | 1 |
| Geology | 1 |
| Technology | 4 |
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