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| внутрикотловое обрабатывание | |||
| внутрикотловое обрабатывание (锅炉给水的) | |||
| внутрикотловая обработка | |||
| 锅内处理: 8 phrases in 3 subjects |
| General | 1 |
| Technology | 6 |
| Thermal engineering | 1 |
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