carbon fiber composite sheet 基本例句 碳纤维布 Each specimen was pre loaded under two symmetrical concentrated loads to occur a crack and failure, then unloaded and strengthened by bonding CFRP sheet on its side tensile faces.研究采用在混凝土构件侧面粘贴碳纤维布这种新形式加固受弯构件的受力性能。