extinction voltage of arc

例句：

1. 1. The researcher found that the extinction voltage of an arc is crucial for maintaining the stability of the circuit.
   研究者发现，电弧的熄灭电压对于维持电路的稳定性至关重要。
2. 2. During the experiment, the researchers carefully adjusted the parameters to ensure the arc extinguishing voltage was within the safe range.
   在实验过程中，研究人员仔细调整参数，确保电弧熄灭电压处于安全范围内。
3. 3. The engineer designed a new circuit with a lower arc extinguishing voltage, which significantly reducedthe risk of electrical fires.
   工程师设计了一种新型电路，其电弧熄灭电压较低，显著降低了电气火灾的风险。