错了，杜塞尔多夫是德国的服装，广告，通讯中心。煤炭是在杜塞尔多夫边上的鲁尔地区。

来源: puyh 于 2020-05-06 14:05:54 [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.