high voltage testing equipment

例句：

1. 1. Thishigh voltage testing equipment is used to testthe safety of electrical equipment.
   这种高压测试设备用于测试电气设备的安全可靠性。
2. 2. The engineers used this high voltage testing equipment toinspect the power lines for any damage.
   工程师们使用这种高压测试设备检查电线是否有损坏。
3. 3. The high voltage testing equipment was essentialin ensuring the safe operation of the powergrid.
   高压测试设备在确保电网安全运行中起到了关键作用。