主流动力 经济性好
采用符合国四标准的主流发动机，噪音低、动力强劲，可靠性高；
采用成熟的负载敏感液压系统，优化发动机与液压系统的匹配性，响应速度快、内耗低、控制精准，动作协调性好，作业效率高；加大散热模块，作业更持久。
结构扎实 可靠耐用
加强型设计的动臂、斗杆、铲斗，机器人焊接，焊缝探伤仪检测，可靠耐用；
专属定制的结构件板材，采用全球先进的制造工艺，承重力大，寿命长；
整体式上架，载荷分布均匀，刚性好；加强型下架，对应力集中的横梁部位进行强化设计，承载力大，整机稳定性好，轻松适应各类工况。
智能舒适 维护便利
驾驶室室内空间加大，视野、乘坐更舒适，弧面后挡风，后视野一览无余；
7寸彩色液晶屏，醒目清晰，机器运行状态一目了然；
大开度机罩，发动机、主泵、空滤及后处理系统均触手可及，保养空间大；
燃滤等保养件集中布置，维护保养方便。
Type Exception Report
Message An exception occurred processing [guosi/include/pro_detail_comment.jsp] at line [52]
Description The server encountered an unexpected condition that prevented it from fulfilling the request.
Exception
org.apache.jasper.JasperException: An exception occurred processing [guosi/include/pro_detail_comment.jsp] at line [52]
49: String url = "http://koubei.21-sun.com/detail/"+id+".htm";
50: String add_date = CommonString.getFormatPara(CommonDate.getFormatDate("yyyy-MM-dd",m.getFieldValue("add_date")));
51: int randomInt = random.nextInt(10000)%citys.length;
52: String rProvince=citys[randomInt-1];
53: if(rProvince.equals("")||rProvince==null){
54: rProvince="山东";
55: }
Stacktrace:
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:610)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:499)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:379)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:327)
javax.servlet.http.HttpServlet.service(HttpServlet.java:764)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
com.jerehnet.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:121)
Root Cause
java.lang.ArrayIndexOutOfBoundsException: -1 org.apache.jsp.guosi.include.pro_005fdetail_005fcomment_jsp._jspService(pro_005fdetail_005fcomment_jsp.java:202) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) javax.servlet.http.HttpServlet.service(HttpServlet.java:764) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:466) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:379) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:327) javax.servlet.http.HttpServlet.service(HttpServlet.java:764) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53) com.jerehnet.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:121)
Note The full stack trace of the root cause is available in the server logs.