焊缝深度相关论文
A integrated intelligent system for seam tracking and penetration control is given. The system received information of w......
<正> 甘肃秦安县博物馆馆藏青铜提梁卣,于2002年5月送至西安文物保护修复中心做修复处理,此器通高18cm,重1.4公斤,腹高为14.9cm,腹......
