汽車變速器作用：


1、改變傳動比，擴(kuò)大驅(qū)動輪轉(zhuǎn)矩和轉(zhuǎn)速的變化范圍，以適應(yīng)經(jīng)常變化的行駛條件，同時使發(fā)動機(jī)在功率較高而油耗較低)的工況下工作；


2、在發(fā)動機(jī)旋轉(zhuǎn)方向不變情況下，使汽車能倒退行駛；

供應(yīng)126-1817卡特挖掘機(jī)變速箱濾芯訂購說明

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供應(yīng)126-1817卡特挖掘機(jī)變速箱濾芯訂購說明