high-voltage holding test

例句：

1. 1.The high-voltage holding test is crucial for ensuring the safety of power transmission lines.
   高压保持测试对于确保输电线路的安全至关重要。
2. 2. During the high-voltage holding test, the equipment must be thoroughly checked to ensure its stability and reliability.
   在高压保持测试期间，必须彻底检查设备以确保其稳定性和可靠性。
3. 3. The high-voltage holding test is used to evaluate the performance of the electrical system during a fault condition.
   高压保持测试用于评估电气系统在故障条件下的性能。