passive laser

例句：

1. 1.The passive laser is used to cut through the material.
   被动激光用于切割材料。
2. 2.The passive laser is a powerful tool for industrial applications.
   被动激光是工业应用中的强大工具。
3. 3. The passive laser can be used for precise cutting and welding tasks.
   被动激光可用于精确切割和焊接任务。