组合体分离痕迹检验
王京都
, 王强
Physical Match of the Mutual Tallying Marks on the Detached Parts from One Integrated Assembly: Case Report
WANG Jingdu
, WANG Qiang
痕迹特征(上方:螺栓端内面痕迹特征;下方:防松止铁外面痕迹特征)