no-load opening

例句：

1. 1. The no-load opening of the circuit is critical for ensuring reliable communication.
   电路的无负载开启对于确保可靠通信至关重要。
2. 2. During maintenance, the technicians carefully monitored the no-load opening to prevent any potential issues.
   在维护期间，技术人员仔细监测了无负载开启，以防止任何潜在问题。
3. 3. The engineers were able to optimize the no-load opening parameters to improve system efficiency.
   工程师能够优化无负载开启参数，以提高系统效率。