2006(10)2911.11.21.31.4614204U463.51B1001-1366(2006)10-0029-03ComparisonandapplicationbetweenwetdiscbrakeanddrydiscbrakeQILi302006(10)CONSTRUCTIONMECHANIZATION1.51.61.71.52CaterpillarKomatsuKessler8012i12006(10)3121234561M20002J20021031-36.3J2003156-5825cosa3a3F2a33CFGGd6.8kNGl49kNGq8.8kNGx24kNld28mll14mlz5.4ml20mlx10mlj10mlq4mmatlablca315t1lc5ma34010lc6ma3508lc7ma36061M20002J2004663-643JG/T5006-92S405060701Tlca3(TkN)500411354315443364312277402330282250372305261231a3()lc(m)5678