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关注:1
2013-05-23 12:21
求翻译:利用煤焦油中洗油提取萘系及苊、芴等物质是什么意思? 待解决
悬赏分:1
- 离问题结束还有
利用煤焦油中洗油提取萘系及苊、芴等物质
问题补充: |
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2013-05-23 12:21:38
The use of coal tar and naphthalene oil extraction wash acenaphthene, fluorene and other substances
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2013-05-23 12:23:18
Using coal tar, oil extraction and avoid transmitting, overall substances, such as
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2013-05-23 12:24:58
In the use coal-tar oil the wash oil extraction naphthalene is and e, wu and so on the materials
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2013-05-23 12:26:38
Use of wash oil extraction of naphthalene in coal tar and acenaphthene, Fluorene material
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2013-05-23 12:28:18
Use of wash oil extraction of naphthalene in coal tar and acenaphthene, Fluorene material
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