宁夏银北灌区暗管排水技术应用现状调查分析
马利军,王红雨,麦文慧,李 星,姚自凯
宁夏银北灌区暗管排水技术应用现状调查分析
Investigation and analysis of application of underground pipe drainage technology in Yinbei irrigation area of Ningxia
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