The results show that pressure-compensating emitters have an optimal pressure range, in which the flow exponent is comparatively small and the water characteristic curve is smooth.
结果表明：压力补偿式灌水器存在最优压力区间，在此区间内灌水器流态指数较小、水力特征曲线平滑；
The results show that pressure-compensating emitters have an optimal pressure range, in which the flow exponent is comparatively small and the water characteristic curve is smooth.
结果表明：压力补偿式灌水器存在最优压力区间，在此区间内灌水器流态指数较小、水力特征曲线平滑；
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