“软硬开”工具开启一字双排曲线槽锁具的痕迹研究
王梓入1, 王军文2, 周子芮3

Traces Left on Pin-vane Mortised Locks Undergone with Soft and Hard Unlocking Tools
WANG Ziru1, WANG Junwen2, ZHOU Zirui3
套筒状态(a:正常使用样本的套筒;b:出现轻微裂痕的套筒;c:出现严重裂痕的套筒)