http://www.vocabularyserver.com/gemet/cn/http://www.vocabularyserver.com/gemet/cn/xml.php?skosTema=4169进口许可 http://www.vocabularyserver.com/gemet/cn/xml.php?skosTema=4169 废料进口许可证 NT http://www.vocabularyserver.com/gemet/cn/xml.php?skosTema=4169 允许 BT