high-voltage test

例句：

1. 1.This high-voltage test equipment is very expensive.
   这种高压测试设备非常昂贵。
2. 2.The engineers conducted a high-voltage test on the new power line.
   工程师们对新的电力线路进行了高压测试。
3. 3. During the testing process, the voltage level was carefully monitored to ensure safety.
   在测试过程中，电压水平被仔细监控以确保安全。