宁夏古灌区
- 网络Ningxia ancient irrigation district; ancient irrigation area in Ningxia
宁夏古灌区宁夏古灌区
Ningxia ancient irrigation district
宁夏用英语怎么说... ... Geological Museum of Ningxia 宁夏地质陈列馆 Ningxia ancient irrigation district 宁夏古灌区 ...
ancient irrigation area in Ningxia
宁夏古灌区(ancient irrigation area in Ningxia) 是位于今宁夏回族自治区的古代引黄灌区，创始于西汉元狩年间(公元前122年～ …