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关注：1
2013-05-23 12:21
求翻译：净化是利用杂质的密度不同来分离的。是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
净化是利用杂质的密度不同来分离的。
问题补充： |
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2013-05-23 12:21:38
Purification is the use of different density of impurities separation.
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2013-05-23 12:23:18
Purification is the use of separation for different density of impurities.
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2013-05-23 12:24:58
The purification is does not come together using the impurity density the separation.
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2013-05-23 12:26:38
Purification is the use of different density of impurities separation.
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2013-05-23 12:28:18
Purification is the use of different density of impurities separation.
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