clean circuit

例句：

1. 1. To ensure the safety of the equipment, we need to clean the circuit regularly.
   为了确保设备的安全，我们需要定期清理电路。
2. 2. The engineer carefully cleaned the circuit to prevent any damage.
   工程师仔细清理了电路，以防止任何损坏。
3. 3. During maintenance, the technician had to clean the circuit to ensure proper functioning.
   在维护期间，技术人员必须清理电路以确保正常工作。