HVSS

例句：

1. 1.The high-velocity sonic waves are used to clean the oil filter.
   使用高速超声波清洗油滤。
2. 2. The high-voltage switching system is responsible for powering the entire city.
   高压开关系统负责为整个城市供电。
3. 3. The high-speed sonic waves are used in medical treatments to remove tumors.
   高速超声波用于医疗治疗以移除肿瘤。