He-Ne laser accupuncture therapy

例句：

1. 1.He-Ne laser is widely used in medical treatment.
   氦氖激光在医疗治疗中广泛应用。
2. 2.The He-Ne laser was the first to be used for cutting metals.
   氦氖激光器是第一个用于切割金属的设备。
3. 3.In recent years, He-Ne laser technology has been developed rapidly.
   近年来，氦氖激光技术发展迅速。