ultrasonic level controller

例句：

1. 1.This ultrasonic level controller is very useful for cleaning hard-to-reach surfaces.
   这个超声波水平控制器对于清洁难以到达的表面非常有用。
2. 2. The engineer used the ultrasonic level controller to ensure that the machine was running at optimal levels.
   工程师使用超声波水平控制器来确保机器运行在最佳水平。
3. 3. During the construction phase, the ultrasonic level controller was crucial in maintaining consistent quality control standards.
   在施工阶段，超声波水平控制器在保持一致的质量控制标准方面至关重要。