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计划简报 |
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1. Balanghu date 2. Malianqu record information 3.Ningxia tour booklet 4.Wuzhong history information< ancient water museum> 5.Model of tianxia web site 6.Ningxia tech website: http://www.nxkjt.gov.cn/ltkj/xzh.htm
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Saishangjiangnan irrigation works museum copy right @ ningxia province wuzhong city hui group middle school |
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