我场自1979年引进了两台美国“伐利”时针式电动喷灌机,由于地角喷洒装置价格昂贵、结构复杂而未引进,结果使地角多年未种作物;有的种了,但产量很低,造成土地资源的浪费。鉴于以上情况,近几年我场给该型灌机增设了地角喷洒装置,收到 Since 1979, I have introduced two American “FULLEY” hour-type electric irrigation machines. Due to the high cost and complex structure of the angle spray plant, the ground has not been planted for many years. Some species have been planted but the output Very low, resulting in the waste of land resources. In view of the above situation, in recent years I field to the type of irrigation additional corner spray device, received