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关注：1
2013-05-23 12:21
求翻译：精馏时切取的230一300℃馏分段是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
精馏时切取的230一300℃馏分段
问题补充： |
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2013-05-23 12:21:38
Distillation cut of 230 when a fraction of section 300 ℃
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2013-05-23 12:23:18
When the distillation from 2.3013 million °C sub-paragraph 3700
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2013-05-23 12:24:58
When selective evaporation cuts takes 230yi300℃ the distill partition
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2013-05-23 12:26:38
Harvesting 2.3013 million ℃ when distillation distillation section
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2013-05-23 12:28:18
Cut 1300 ℃230 picked up to heat up in a steamer and segment at the time of the rectification
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