[交流] 【求助】求助翻译一段英语

Originally posted by zhanglb130 at 2011-03-01 20:51:54:
反应物在加热板上回流2-3小时，一直到没有反应的锌粉成一团，然后将热的溶液通过一个精制的铜滤网过滤，边搅拌边过滤到30L 冰水中。

[ Last edited by zhanglb130 on 2011-3-1 at 20:54 ]

Originally posted by Mally89 at 2011-03-01 20:44:31:
the mixture is refluxed for 2–3 hours on a hot plate until the unreacted zinc dust collects in balls. The hot solution is then poured through a fine copper sieve,with stirring, into 30 l. of ice w ...