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| 低温碳化 (作用); 低温炭化 | |||
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| 德国维巴石油公司低温焦化 | |||
| 低温碳化 | |||
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low-temperature carbonization : 7 phrases in 3 subjects |
| Chemistry | 3 |
| Metallurgy | 1 |
| Technology | 3 |
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