结果表明：（1）机械加工表面微观形貌主要包括：变形层、应变线、皱折、拉扯和白层等特征；

The results show that: (1) the mechanic surface micro morphlogy mainly includes deformation layer, strain line, fold, tear and white layer.

youdao

结果表明：（1）机械加工表面微观形貌主要包括：变形层、应变线、皱折、拉扯和白层等特征；

The results show that: (1) the mechanic surface micro morphlogy mainly includes deformation layer, strain line, fold, tear and white layer.

youdao