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通过光滤管具有高透水性这一原理，说明光滤管成井的优越性，指出了光滤管成井是解决管井发生细粒机械堵塞和化学堵塞问题的优异方法。文中引用小拱拦砂、无黏性土非管涌原理及临界流速原理说明光滤管技术之可行，介绍了设计方法和实例。
Through the principle that the optical filter has high water permeability, it shows the superiority of the optical filter into the well. It is pointed out that the optical filter into the well is an excellent method to solve the problem of the fine mechanical blockage and the chemical blockage in the tube well. In this paper, small arch sand-blocking, non-sticky soil non-pouring principle and critical flow velocity theory are used to illustrate the feasibility of optical filter technology. The design methods and examples are introduced.