rotary switch board

例句：

1. 1. The technician needs to replace the rotary switch board on the circuit breaker box.
   技术人员需要更换断路器箱上的旋转开关板。
2. 2. The new design of the rotary switch board has greatly improved its reliability and durability.
   新型旋转开关板的设计理念大大提高了其可靠性和耐用性。
3. 3. The rotary switch board is a crucial component in the electrical system, ensuring that the circuits can be safely and efficientlycontrolled.
   旋转开关板是电气系统中的关键部件，它确保电路可以安全且高效地控制。