defectorn.背叛者；叛离者defectn.缺点；缺陷vi.背叛Defects and meanings“是”与“非”defect of coil shape卷形缺陷defects of weld seam焊缝缺陷Defects of materials材料缺陷defect of the theory理论缺憾defects confirmation缺陷确认defection management缺陷管理Defects improvements缺陷改进defect of oral floor口底缺损defects transmission缺陷卡传递