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灯泡用一段时间自然燃断丝后不可搭接再用,否则存在极大危险.因为灯丝断后,电阻变小,灯泡功率增大.如60瓦电灯泡丝断了二分之一后变成
Light bulb with a natural flashover after a period of time can not overlap then reuse, otherwise there is a great danger. Because the filament is broken, the resistance becomes smaller, the lamp power increases.If the 60-watt filament broken one-half after the filament into