site welding

例句：

1. 1.The site welding process is crucialfor the structural integrity of the building.
   现场焊接过程对于建筑的结构完整性至关重要。
2. 2. Theteam was tasked with performing site welding on the new bridge.
   该团队被指派负责在新桥上进行现场焊接工作。
3. 3. The quality of the sitewelding directly affects the durability andsafety of the structure.
   现场焊接的质量直接影响到结构的使用寿命和安全性。