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1·The fusing current of the fuse-wire is less than the specified value of the battery, cable and connecting element in satellite.

熔断电流在星上电池、电缆及接插件的耐受范围内，因而可以在星载仪器上使用。

2·Fuse is with melting point inferior material is made, electric current became big can calorific fusing, have insurance effect.

保险丝是用熔点较低的材料制作，电流大了会发热熔断，起到保险作用。

3·When the current through the fuse is 2 times of its specined electric current, fusing in an hour;

当通过熔断器的电流为其额定电流的2倍时， 1小时内熔断；

4·The invention can greatly reduce the cost of the fusing agent, and save the cost by at least 40 percent according to the price of the current market.

本发明能大大降低熔片成本，根据目前市场价格，节约成本至少40%。