<div class="quote"><blockquote><font color="#999999"><font size="=2"><i style="color:#607FA6;" id="url11257583" onclick="void('https://bbs.360che.com/space.php?uid=282539')">货车O司机</i> 2014-10-03 14:27:58发表在 2楼<img onclick="void('https://bbs.360che.com/redirect.php?goto=findpost&pid=11257575&ptid=664804');" src="http://static.360che.com/bbs/static/image/common/back.gif" />
</font></font>

可以浮在水面上的挖掘机</font></blockquote></div>这是用来干什么的？