easyUI comboBox 下拉列表调整高度:
<td>
<select name="title" style="width:130px" class="easyui-combobox" panelHeight="70px">
....
</select>
</td>
<td>
<select name="title" style="width:130px" class="easyui-combobox" panelHeight="70px">
....
</select>
</td>