complete penetration butt weld

例句：

1. 1. The engineer used aspecial tool to complete the penetrationbutt weld on the bridge.
   工程师使用特殊的工具完成了桥梁上的完全穿透焊缝。
2. 2.The construction crew had to make several adjustments to ensure the weld was completepenetration butt weld.
   施工团队不得不多次调整以确保焊缝是完整的穿透焊缝。
3. 3. The company's quality control departmentis responsible for ensuring that all welding jobs are completed penetration butt welds.
   公司的质量控制部门负责确保所有焊接工作都是完整的穿透焊缝。