flame laser

例句：

1. 1.The flame laser is used for cutting and welding metals.
   火焰激光用于切割和焊接金属。
2. 2. The flame laser is a powerful tool that can quickly cut through thick materials.
   火焰激光是一种强大的工具，可以迅速切割厚材料。
3. 3. The flame laser was invented by a scientist who wanted to make the process faster and more efficient.
   火焰激光是由一位科学家发明的，他希望使这个过程更快、更高效。