- 問題詳情:WhenChina’sastronautZhaiZhigangcarriedoutthespacewalkonSeptember27,hewaswearingaspacesuitdevelopedbyChinesescientists.Beingworthmorethan30millionyuan,theFeitian(飛天)spacesuitisnot___51___ordinaryone.It___52___(take)Chinesescientistsfouryear...
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