[热点讨论]求助：焊缝口开挖方式 [复制链接]

cdddd:挡土墙外侧擅自挖坑倒塌亡人案例 /Fk0j
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http://www.safehoo.com/Case/Case/Collapse/201506/398805.shtml (2021-01-12 22:33)  ~r!jVK>^  

cdddd:环缝自动焊机 'd/A+W  
https://baike.baidu.com/item/%E7%8E%AF%E7%BC%9D%E8%87%AA%E5%8A%A8%E7%84%8A%E6%9C%BA/5856949?fr=aladdin ysvn*9h+&  
http://51sole1767073.51sole.com/ ;/ p)vR  
http://www.drjc17.com/ WukCE  
http://www.drjc17.com/Products-34920646.html *mBn''a"*  
....... (2021-01-13 07:52)  BhNwC[G?m  

cdddd:环缝自动焊机 (9'MdH  
https://baike.baidu.com/item/%E7%8E%AF%E7%BC%9D%E8%87%AA%E5%8A%A8%E7%84%8A%E6%9C%BA/5856949?fr=aladdin <9B43  
http://51sole1767073.51sole.com/ (S1$g ~t;  
http://www.drjc17.com/ rHN>fySn7  
http://www.drjc17.com/Products-34920646.html >>K) 4HYID  
....... (2021-01-13 07:52)  &\K,kS[.r  

cdddd:靠近楼房挖坑的安全距离安全知识 A]Q4f
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https://www.bbaqw.com/anquan/531529/ (2021-01-13 07:53)  1b* dC;<