multiple-pass weld

例句：

1. 1. The engineer used a multiple-pass welding technique to join the metal plates together.
   工程师使用多重焊接技术将金属板连接在一起。
2. 2.During the construction process, multiple-pass welding is often used to ensure structural integrity.
   在建设过程中，经常使用多重焊接来确保结构完整性。
3. 3. The welder performed multiple-pass welding on the steel beam to reinforce its strength.
   焊工对钢梁进行了多重焊接以增强其强度。