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最佳答案：they had went throught the experiment many times in order to succeed
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最佳答案：This experiment adopts the secondary fermentation to brew pineapple vinegar, and
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最佳答案：Here, we want to thank several contribution for our scientific inquiry the class
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最佳答案：i know nothing about the experient conducting there .The experience we got in fo
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最佳答案：The insulating paint test for J11(a) had been carried out.It passed 120-day temp
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最佳答案：The company is equipped with experimental and production equipment, to the produ
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最佳答案：1、The key to solve the problem is to find the car driver ( (解决问题的)线索;秘诀;答案 )2、Th
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最佳答案：This paperdiscussedtheclassificationand characteristics ofprimary schoolEnglish
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最佳答案：To take a deep breath can helps you to relieve tension.i don't think this projec
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最佳答案：This paper compared and analysis of adding different catalyst,effects of changin