3D打印钥匙开锁痕迹的发现与检验
陶梦霞1, 俞纲1, 陈峰2

3D-Printed Key: Detection and Examination of Its Leaving Unlocking Marks and Remnants
TAO Mengxia1, YU Gang1, CHEN Feng2
正常开锁后打印钥匙的头部(a:C1钥匙;b:C2钥匙;c:C3钥匙;d:C4钥匙)