hydrogen brazing

例句：

1. 1. The process of hydrogen brazing is used to join metal parts together without the need for a filler material.
   氢焊接过程用于将金属部件连接在一起，无需填充材料。
2. 2. In this case, the hydrogen brazing technique was used to repair the damaged part of the machine.
   在这种情况下，使用氢焊接技术修复了机器的损坏部分。
3. 3. Hydrogen brazing has been found to be an effective method for joining dissimilar materials together.
   氢焊接已被发现是一种有效的方法，用于连接不同材料。