PDF(173 KB)
Study on Building and Examination Criterion of Water-Saving Carriers of Ningxia Autonomous Region
TANG Lian;ZHANG Wei-jiang;SI Jian-ning
Yellow River ›› 2011, Vol. 33 ›› Issue (11) : 103-104.
PDF(173 KB)
PDF(173 KB)
Study on Building and Examination Criterion of Water-Saving Carriers of Ningxia Autonomous Region
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