form id="form1" runat="server">
<table style="width: 135px; height: 41px; background-color: #66ff33;" cellpadding="0" cellspacing="0">
<tr>
<td valign="top">
<table style="height: 32px; background-color: #cc66cc;" cellpadding="0" cellspacing="0" width="100%">
<tr>
<td>
</td>
<td>
</td>
<td>
</td>
</tr>
<tr>
<td>
</td>
<td>
</td>
<td>
</td>
</tr>
<tr>
<td>
</td>
<td>
</td>
<td>
</td>
</tr>
</table>
</td>
</tr>
</table>
</form>
为什么table1下面会多一行，