《农田水利与小水电》1989年第1~12期要目(总第75期~86期) |
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摘 要: | ·农田水利·聚苯乙烯板在渠道衬砌防冻害中的应用··············································,·············……董勤瑞I一(5)加强水利管理增强农业后劲······,·····,···························································……杨忍劳I一(9)芦秆暗管排水的经济效益分析·······················································…
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