I. Sur face Morpho logy slip line - >slip band>cross slip line and band slip band——滑移带 deformation band—形变带 rink band—弯折带◆Ⅲ.Surface Morphology slip line → slip band → cross slip line and band slip band —— 滑移带 deformation band —— 形变带 rink band —— 弯折带