筒式熔断器是套在管中的熔断器。
熔断器的熔断特性曲线如图1，供选择熔断器时参考。
Refer to its fusing feature curve in chart 1 when select the fuse.
提出了一种新型熔断器-过压熔断器，并说明了它的原理、结构与设计方法及举例。
In this paper we advance a kind of late model fuse-overvoltage fuse and explain it's principle, construction, design example.
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