electron-beam welding machine

例句：

1. 1. This electron-beam weldingmachine is highly efficient in cutting metals.
   这台电子束焊接机在切割金属方面非常高效。
2. 2. The engineerused the electron-beam welding machine torepair the damaged part of the machine.
   工程师使用电子束焊接机修复了机器的损坏部分。
3. 3. The electron-beamwelding machine was used to jointwo pieces of metal together quickly and efficiently.
   电子束焊接机被用来快速而有效地将两块金属连接在一起。