smoothing choke coil

例句：

1. 1. The smoothing device was designed to reduce vibrations in the machinery.
   这个平滑设备的设计目的是减少机械中的振动。
2. 2. The smoothing mechanism is crucial for maintaining the stability of the system.
   平滑机制对于保持系统的稳定性至关重要。
3. 3. The smoothing device assembly was installed at the beginning of the construction project.
   平滑设备组装在建设项目开始时被安装。