这得感谢HOSTLOC的nop的指点，指点贴见：
http://www.hostloc.com/thread-247313-1-1.html

方法：
例如下：
http://222.191.246.210:8181/KNS50/Navi/Catalog.aspx?NaviID=9&YearID=39753&BaseID=ZHWU&Field=%e6%8b%bc%e9%9f%b3%e5%88%8a%e5%90%8d*%e5%b9%b4*%e6%9c%9f&Value=ZHWU*1994*01&NaviLink=%e6%a3%80%e7%b4%a2%3a%e4%b8%ad%e5%8d%8e%e6%ad%a6%e6%9c%af-%2fKNS50%2fNavi%2flist.aspx%3fNaviID%3d9%26Field%3dcykm%5ec_name%26Value%3d%25e4%25b8%25ad%25e5%258d%258e%25e6%25ad%25a6%25e6%259c%25af*%253f%25e4%25b8%25ad%25e5%258d%258e%25e6%25ad%25a6%25e6%259c%25af%7c%e4%b8%ad%e5%8d%8e%e6%ad%a6%e6%9c%af-%2fKNS50%2fNavi%2fitem.aspx%3fNaviID%3d9%26BaseID%3dZHWU

第一页文章的下载：
TAB T=1
ONDOWNLOAD FOLDER=* FILE={{!loop}}.caj WAIT=YES
TAG POS={{!loop}} TYPE=IMG ATTR=SRC:http://222.191.246.210:8181/KNS50/images/download.gif

第二页文章的下载：

TAB T=1
ONDOWNLOAD FOLDER=* FILE=2{{!loop}}.caj WAIT=YES
TAG POS={{!loop}} TYPE=IMG ATTR=SRC:http://222.191.246.210:8181/KNS50/images/download.gif