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2GC1P052GC1P052GC1P052GC1P053)相對(duì)運(yùn)動(dòng)件間的靜摩擦系數(shù)與動(dòng)摩擦系數(shù)差別太大,即摩擦力變化太大。當(dāng)相對(duì)滑動(dòng)面為金屬并且有液體潤(rùn)滑時(shí),摩擦力矩與速度的變化規(guī)律見(jiàn)圖4-9。。2GC1P05

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2GC1P05節(jié)流閥 2GG9P28L雙控可調(diào)節(jié)氣壓機(jī):http://www.jdzj.com/jiage/5_37017600.html