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随着土工合成材料在中国的迅速发展，土工合成材料在中国农用机井的更新改造中也开始发挥自己的作用。例如土工织物替代原始的棕皮作井管滤层、大口径双壁波纹塑料管；土工织物组合成新型滤水井管；管滤合一的合成材料管作辐射井水平滤水管等。简要介绍了这些应用情况．并提出一些应用中尚待解决的问题。
With the rapid development of geosynthetics in China, geosynthetics have also begun to play their part in the modernization of agricultural wells in China. For example, geotextile instead of the original brown skin for well pipe filter, large diameter double-walled corrugated plastic pipe; geotextile fabric into a new type of water well pipe; A brief introduction to these applications. And put forward some problems that need to be solved in application.