aSpecimens of carbon fiber reinforced epoxy resin composites of this study were made using Shell Epon 828 epoxy resin with diamino-3, 5-diethyltoluene (Ethacure-100, Albemarle S.A.) as the hardener. 正在翻译,请等待...[translate] a学生上学怎么能迟到 How does the student go to school can ...