copper-aluminium welding rod

例句：

1. 1.This copper-aluminium welding rod is suitable for welding in various materials.
   这种铜铝焊接焊条适用于各种材料的焊接。
2. 2. The engineer usedthis copper-aluminium welding rod to repair the damaged pipe.
   工程师使用这种铜铝焊接焊条来修复损坏的管道。
3. 3. The copper-aluminiumwelding rod was testedfor its strength and durability before beingused in the construction project.
   在建筑项目开始前，对这种铜铝焊接焊条进行了强度和耐用性的测试。