归根结底，电弧持续时间越短，触头越不易烧熔，维修量越少，而断路器性能越好。
Shorter ARC durations ultimately mean less contacts burning, resulting in less maintenance and a better breaker.
模拟火灾现场，制作不同线径铜导线的火烧熔珠，然后在不同温度下对熔珠进行冷却。
Simulating fire scene, melted marks of copper wires with different diameters caused by fire were made and cooled by water.
你能知道我对你的爱情是怎么回事，那是火，是烧熔的铅，是一千把插在我心上的刀子啊！
You can know my love for you is how to return a responsibility, it is the fire, is the lead that burns to lead, is the knife that one thousand put on my heart!
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