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2013-05-23 12:21
求翻译:Sodium lignosulfonate (industrial grade, Jilin Shixian Paper Co. Ltd), sodium modified calcium betonite (industrial grade, Weifang Boda Bentonite Co. Ltd), Formaldehyde (Analytical grade, Sinopharm Chemical Reagent Co.Ltd). The reaction was shown as Scheme 1.是什么意思?
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- 离问题结束还有
Sodium lignosulfonate (industrial grade, Jilin Shixian Paper Co. Ltd), sodium modified calcium betonite (industrial grade, Weifang Boda Bentonite Co. Ltd), Formaldehyde (Analytical grade, Sinopharm Chemical Reagent Co.Ltd). The reaction was shown as Scheme 1.
问题补充:
 
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