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| дифференциальный анализатор | |||
| 微分分析仪: 15 phrases in 10 subjects |
| Cement | 1 |
| Chemistry | 1 |
| Electronics | 2 |
| Medical | 2 |
| Metallurgy | 1 |
| Military | 3 |
| Oil / petroleum | 1 |
| Oil processing plants | 2 |
| Technology | 1 |
| Water supply | 1 |
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