clearing relay

例句：

1. 1. The engineer used a clearing relay to bypass the circuit.
   工程师使用了一个清空继电器来绕过电路。
2. 2. During maintenance, the technician cleared the relay to ensure smooth operation.
   在维护期间，技术人员清除了继电器以确保顺畅运行。
3. 3. The relay was designed to clear any obstructions that might interfere with the signal.
   该继电器被设计成清除任何可能干扰信号的障碍物。