Journal of Irrigation and Drainage 1987 Issue 4 su liao ruan guan shui li he li xue xing neng shi yan fen xi

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Journal of Irrigation and Drainage
1672-3317
1987 Issue 4

su liao ruan guan shui li he li xue xing neng shi yan fen xi
Yin Jie ( Bureau of water Conservancy of Shandong Province

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