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城市水系规划导则 SL 431-2008
¥27.7(7.7折)定价:¥36.0...................................................................................................................................................................................
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旱情等级标准 SL 424-2008
¥16.9(7.7折)定价:¥22.0.................................................................................................................................................................................
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水土保持试验规程 SL 419-2007 (SL 419-2007替代SD 239-87)
¥40.0(7.7折)定价:¥52.0