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石家庄神钢挖掘机各继电器具体位置和更换方法继物品 接触器设备效果 当输(shu)(shu)入电(dian)(dian)流(liu)(liu)或电(dian)(dian)压(ya)的(de)(de)(de)变化达到规定要求时，在(zai)电(dian)(dian)力设备输(shu)(shu)出电(dian)(dian)压(ya)电(dian)(dian)线中会(hui)半(ban)(ban)(ban)自(zi)动(dong)(dong)式(shi)上下调整(zheng)、可靠保(bao)护英文、互转电(dian)(dian)线等效果。往往运用于会(hui)半(ban)(ban)(ban)自(zi)动(dong)(dong)式(shi)化的(de)(de)(de)的(de)(de)(de)保(bao)持(chi)电(dian)(dian)线中，它合(he)理上是用小直流(liu)(liu)电(dian)(dian)压(ya)量(liang)去的(de)(de)(de)保(bao)持(chi)大直流(liu)(liu)电(dian)(dian)压(ya)量(liang)运作(zuo)模式(shi)的(de)(de)(de)有一种“会(hui)半(ban)(ban)(ban)自(zi)动(dong)(dong)式(shi)打开”。
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