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螺纹式滴头是微灌系统中重要的灌水器之一。这种滴头的研制，使我国的灌水器种类又增加了一个新的应用品种，文中给出的此种滴头的水力性能参数为微灌工程设计提供了重要的设计参数。
Threaded drippers are one of the most important emitters in micro-irrigation systems. The development of this kind of dripper has added a new variety of emitter to our country. The hydraulic performance parameters of this kind of dripper presented in this paper provide important design parameters for micro-irrigation engineering design.