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喷头组合间距对固定式喷灌系统的投资有着重大影响。在保证组合均匀系数不低于设计均匀系数和保证不漏喷的前提下,若能增大喷头的组合间距,将使系统单位面积投资有所降低。但对半固定式喷灌系统来说,情况则有所不同,因为灌区设计灌水定额、设计灌水周期和日喷灌时间是一定的,在这些条件确定之后,灌区应同时工作的喷头数
Sprinkler head spacing has a significant impact on the investment in stationary sprinkler systems. In ensuring the combination of uniform coefficient of not less than the design uniformity coefficient and ensure leak-proof premise, if you can increase the combination of nozzle spacing, system investment will be reduced unit area. But for the semi-fixed sprinkler system, the situation is different, because irrigation design irrigation quota, design irrigation cycle and irrigation time is certain, after these conditions are determined, the irrigation area should be working at the same time the number of nozzles