然后基于价值选择第一项设置第二个选择项的默认值。

And then based on the value selected in first item set the default value for the second selected item.

youdao

然后基于价值选择第一项设置第二个选择项的默认值。

And then based on the value selected in first item set the default value for the second selected item.

youdao