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| отложение кокса | |||
| коксоотложение | |||
| отложение нагара | |||
| 炭 沉 积: 8 phrases in 5 subjects |
| Ecology | 1 |
| General | 1 |
| Oil / petroleum | 1 |
| Oil processing plants | 2 |
| Technology | 3 |
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