[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 W@:^aH  
http://www.safehoo.com/Case/Case/Collapse/201506/398805.shtml (2021-01-12 22:33)  r:fwrC  

cdddd:环缝自动焊机 6tX.(/+L  
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 
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http://51sole1767073.51sole.com/ P1$f}K}  
http://www.drjc17.com/ e "_&z# 2_  
http://www.drjc17.com/Products-34920646.html 'wa g |-
  
....... (2021-01-13 07:52)  |n)<4%i8J  

cdddd:环缝自动焊机 sLZ>v  
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 j!7Qw 8  
http://51sole1767073.51sole.com/ l!/!?^8|f  
http://www.drjc17.com/ 86y%=!bS  
http://www.drjc17.com/Products-34920646.html ",T`\8&@e  
....... (2021-01-13 07:52)  svqvG7  

cdddd:靠近楼房挖坑的安全距离安全知识 =U c$D*  
https://www.bbaqw.com/anquan/531529/ (2021-01-13 07:53)  [IMQIX