patch weld

例句：

1. 1. The car was fixed with a patch weld before it could be driven again.
   汽车在再次行驶之前，被用补丁焊接修复了。
2. 2. The engineer used a patch weld to reinforce the damaged area.
   工程师使用补丁焊接来加固受损区域。
3. 3. The job required a lot of patch welding and soldering.
   这项工作需要大量的补焊和焊接工作。