冬季的华北平原景象 华北平原(North China Plain 亦作Hua-pei P'ing-yuan或Huabei Pingyuan)亦称黄淮海平原,位于北纬32°~40°,东经114°~121...... [阅读全文]
Copyright © 2005-2009 hudong.com Ltd. All Rights Reserved. 互动在线 版权所有