[问题求助] 请问预制板飞机螺栓塞进去以后拉不开怎么解决?

nima74-avatar

nima74

2024-10-31T06:19:58+00:00

[img]https://img.nga.178.com/attachments/mon_202411/01/-40rwQu7uh-9igpZrT3cSu0-z1.jpg[/img]
[img]https://img.nga.178.com/attachments/mon_202411/01/-40rwQtunn-2aqjK20T3cSsg-lc.jpg[/img]
就是如图这种,四个钉有三个都正常拉紧了,第四个怎么都拉不动,有什么好的解决办法么?