K0+262.276 深度=0.514-(262.276-260)*(0.514-0.472)/(280-260)=0.5092204
K0+262 深度=0.514-(262-260)*(0.514-0.472)/(280-260)=0.5098
K0+276 深度=0.514-(276-260)*(0.514-0.472)/(280-260)=0.4804
K0+262.276 深度=0.514-(262.276-260)*(0.514-0.472)/(280-260)=0.5092204
K0+262 深度=0.514-(262-260)*(0.514-0.472)/(280-260)=0.5098
K0+276 深度=0.514-(276-260)*(0.514-0.472)/(280-260)=0.4804