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轎車(che)保險絲首要(yao)的效果便是，對電(dian)路以及用電(dian)設備起(qi)到維護(hu)的效果。

其實轎(jiao)車(che)保(bao)(bao)險絲(si)(si)，這種(zhong)便(bian)是(shi)代(dai)表電(dian)(dian)(dian)流保(bao)(bao)險絲(si)(si)里面的一種(zhong)，當車(che)輛(liang)電(dian)(dian)(dian)路電(dian)(dian)(dian)流超越(yue)保(bao)(bao)險絲(si)(si)額定電(dian)(dian)(dian)流，并且達到(dao)了2倍的狀況下，這樣(yang)保(bao)(bao)險絲(si)(si)會(hui)在幾秒鐘時間內出現熔斷的狀況，堵(du)截電(dian)(dian)(dian)流起到(dao)維(wei)護(hu)(hu)的效果，對(dui)轎(jiao)車(che)電(dian)(dian)(dian)路進行過流維(wei)護(hu)(hu)。