closed-cycle iodine laser

例句：

1. 1. The closed-loop iodine laser is an essential tool for medical imaging.
   闭合循环碘激光是医学成像中不可或缺的工具。
2. 2. The closed-loop iodine laser was used to treat wounds with minimal pain and discomfort.
   闭合循环碘激光被用来治疗伤口，疼痛和不适感最小。
3. 3. The closed-loop iodine laser has revolutionized the way we approach surgical procedures.
   闭合循环碘激光已经改变了我们进行手术的方式。