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爱与雨下: 金币+1 2013-04-10 21:02:58
shushen_jian: 金币+5, 翻译EPI+1 2013-04-12 21:08:50
The industrial production method of 2 - EAQ is the phthalic anhydride method, however, this process has many disadvantages, such as producing a large amount of aluminum salt wastewater and waste acids, etching apparatuses, causing serious environmental pollution, etc.
2楼2013-04-10 20:05:31
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