“当前喷灌发展的关键是管道”这一客观规律已被人们所认识,不仅搞喷灌的技术人员这样认识,就连各地的领导和群众对此也有深刻的体会。在发展喷灌中,越是在管道问题上教训多、吃亏大、损失严重的地方,对管道重要性的认识也就越深刻。四川省水利局金付局长讲:“四川省一九七六年开始搞喷灌,搞了二、三年,主要是管道和管件没过关,发现许多问题,教训不少。”四川的同志深有体会地说:“发展喷灌, “The key to the current development of sprinkler irrigation is the objective law of the pipeline, which has been recognized by people. It is not only recognized by technicians who sprinkle irrigation. Even leaders and masses everywhere have a profound understanding. In the development of sprinkling irrigation, the more lessons learned in the pipeline, loss, loss places, the understanding of the importance of the pipeline will be more profound. Sichuan Provincial Water Conservancy Bureau, said: ”Sichuan Province began to engage in sprinkler irrigation in 1976, and engaged in two or three years, the main pipe and pipe fittings did not cross the border and found many problems, many lessons.“ Comrades in Sichuan deep Experience and said: ”The development of sprinkler irrigation,