longitudinal weld

例句：

1. 1. In the construction of bridges, longitudinal welding is used to connect steel beams together.
   在桥梁建设中，纵向焊接用于将钢梁连接在一起。
2. 2. The engineer carefully inspected the longitudinal weld on the bridge for any signs of weakness.
   工程师仔细检查了桥梁上的纵向焊缝，以寻找任何弱点的迹象。
3. 3. The welding process requires precise control to ensure the integrity of the longitudinal weld.
   焊接过程需要精确控制以确保纵向焊缝的完整性。