采用两个独立的激振器结构，维修拆解方便，润滑油加注量减少，维护成本低；
内置散热风扇，散热更快速，延长振动轴承寿命；
双油封密封设计,可靠性能更高；
柔性无冲击技术，采用特制偏心腔体,柔性起停、无瞬时冲击和撞击噪音，振幅一致性好，保证路面平整度；
采用缸内优化燃烧技术，增加排气后处理系统，使发动机排放污染物符合非道路国四法规限值要求；
第三代高压共轨，中置式喷油器，喷油压力高、燃油雾化效果好，扭矩提升。
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.