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| 修复体; 还原性物质 | |||
| 去氧剂 | |||
| 恢复系; 交换复热器 | |||
| 还原剂; 脱氧剂; 还原器; 恢复器 | |||
| восстановитель: 24 phrases in 5 subjects |
| General | 3 |
| Metallurgy | 2 |
| Oil processing plants | 4 |
| Radio | 1 |
| Technology | 14 |
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