A fuse interrupts excessive current (blows) so that further damage by overheating or fire is prevented.

保险丝中断过大(打击)电流，防止由过热或火灾造成的进一步损害。

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To avoid fire, this product should be provided with 220v, 1a standard fuse. Before replacing fuse, cut off power and load.

为避免火灾，本仪器指定的标准保险丝规格是220v、1a，更换保险丝前，切断电源和负载。

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Temperature-dependent fuse is one of the important parts in (smoke) fire dampers, and the fusible alloy is the key element of the fuse.

温度熔断器是（排烟）防火阀中的重要部件之一，而其中的易熔片又是熔断器的关键元件。

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If it all becomes too much to bear, the design will even fuse on the inside to prevent fire burning the card from within.

ENGADGET: Panasonic preps SD cards that survive heat, water and X-rays, will probably outlast you

Its research also suggests many UK adults do not have adequate protection from electrical fires - less than half of those surveyed (49%) have a Residual Current Device in their fuse box, a safety device which minimises the risk of fire by cutting off the power in the event of a fault.

BBC: 'Blunder' fires increasing say Electrical Safety Council