在电路故障排除后，过载保护PT C热敏电阻冷却并恢复到低阻态，同时电路也进入正常工作状态。
After the clearing of the circuit trouble, the PTC Thermistor begins to cool and come back to the state of low resistance, and then the circuit enters normal working condition.
纸浆的大量200毫米低音单元是用于两个25毫米软球顶磁液冷却的功能和额外的可靠性电子过载保护高音。
The substantial 200mm pulp cone woofer is used with two 25mm soft dome tweeters which feature Ferrofluid cooling and electronic overload protection for extra reliability.
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