The variation principles of the throw distance, flow rate and rotation speed of variable-rate sprinklers for precision irrigation on square area were given.
通过理论分析，给出方形喷洒域变量施水精确灌溉喷头的射程、流量和转速应服从的变化规律和计算公式。
The spray rate is stepless speed variation control. It has the same technological performance as common spray gun.
涂料输出量无级调节，具有常规气动喷枪工艺性能。
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