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关注：1
2013-05-23 12:21
求翻译：了解分馏的原理及其应用是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
了解分馏的原理及其应用
问题补充： |
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2013-05-23 12:21:38
Understand the principles of fractionation and its application
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2013-05-23 12:23:18
Understanding the principle and its applications 3700%
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2013-05-23 12:24:58
Understands the fractionation the principle and the application
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2013-05-23 12:26:38
Understand principles of fractionation and its application
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2013-05-23 12:28:18
Understand the principles of fractionation and its application
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