laser-welding machine

例句：

1. 1.This laser-welding machine is highly efficient in welding metal parts.
   这台激光焊接机在焊接金属部件方面效率极高。
2. 2.The laser-welding machine can quickly and precisely weld various materials together.
   激光焊接机可以快速而准确地将各种材料焊接在一起。
3. 3. The laser-welding machine is widely used in industrial production, reducing labor costs and improving production efficiency.
   激光焊接机在工业生产中广泛使用，降低了劳动成本并提高了生产效率。