brass welding rod

例句：

1. 1. The welder used a brass welding rodto join the metal together.
   焊工使用一根黄铜焊条将金属连接在一起。
2. 2. He was using a brass welding rod to repair the damaged part ofthe machine.
   他正在用一根黄铜焊条修理机器的损坏部分。
3. 3. Theengineer tested the strength of the brass welding rod before using it in theconstruction.
   工程师在施工前测试了黄铜焊条的强度。