当道路检测到路面上有雪或冰时，就会自动升温，融化雪或冰。
When they detect snow or ice on their surfaces, the roads will heat themselves up, melting the snow or ice away.
因此夏天一定要多关注车辆的油路检查。
Therefore summer must pay more attention to the vehicle inspection.
静音功能；直流检测，过载及短路检测，温度检测。
Mute function; DC detection; Overload and short detection; Temperature detection.
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