pure aluminium gas welding rod

例句：

1. 1.The pure aluminium gas welding rod is used for cutting and shaping metal.
   纯铝气焊丝用于切割和成型金属。
2. 2.The engineer used the pure aluminium gas welding rod to repair the damaged parts of the machine.
   工程师使用纯铝气焊丝修复了机器的损坏部分。
3. 3. The pure aluminium gas welding rod was easy to handle and had a high heat output.
   纯铝气焊丝易于操作且热输出高。