diode laser

例句：

1. 1.The diode laser is used for cutting and welding metals.
   二极管激光器用于切割和焊接金属。
2. 2. The diode laser is a powerful tool for industrial applications.
   二极管激光器是工业应用的强大工具。
3. 3. The diode laser is widely used in medical imaging devices.
   二极管激光器广泛应用于医疗成像设备中。