var htxt="";
htxt=htxt+"<tr align=\"left\" valign=\"top\" height=\"20\"><td><a href=\"/file19/30385911.htm\" target=_blank title=\"化学实验--制气流程的解题思路\">化学实验--制气流程的解题思路..</a></td></tr>";

document.write("<table width=\"100%\" border=\"0\" cellpadding=\"0\" cellspacing=\"0\">");
document.write(htxt+"</table>");