求翻译：高温试验: 起始温度55℃，产品不包装，通电运行1小时后，给试验环境加温到70℃，继续运行5小时后停止。放置恢复到常温，观察其外观，测试绝缘强度，指示功能及电性能应正常。是什么意思？

High-temperature test: initial temperature 55 ℃, the product is not packaged, power running 1 hour, heated to the test environment to 70 ℃, continue to run for 5 hours after the stop. Placed back to room temperature, to observe the appearance, test dielectric strength, indicating functional and elec

High-temperature test: start-up temperature 55 °C electrified, product packaging, and not run after 1 hour, to increase the temperature test environment, continue to run the 70 °C ceased after 5 hours. placed back to the normal temperature, observe their appearance, insulation strength, instructions

High-temperature test: The initial temperature 55℃, the product does not pack, after the circular telegram moves for 1 hour, heats up for the experimental environment 70℃, after continues to move for 5 hours to stop.The laying aside restores the normal temperature, observes its outward appearance, t

Elevated temperature testing: the starting temperature of 55 ° c, product without packaging, power running 1 hour later, to the test environment heated to 70 ° c, continue to run after 5 hours stop. Place back to room temperature observation of its appearance, testing dielectric strength, electrical