nitrogen pulse laser

例句：

1. 1.The nitrogen pulse laser is used for cutting and welding metals.
   氮脉冲激光器用于切割和焊接金属。
2. 2. The nitrogen pulse laser has been widely used in the field of material processing.
   氮脉冲激光器在材料加工领域得到了广泛应用。
3. 3. The nitrogen pulse laser is a powerful tool that can quickly cut through thick materials.
   氮脉冲激光器是一种强大的工具，可以迅速切割厚材料。