The factors of pump lift and pump price have been considered comprehensively in design, thus making whole irrigation system work under the economical and energy-saving condition and making the system have minimum yearly cost.

  • 在设计中综合考虑了泵的扬程和泵的价格等因素,使设计出的整个灌溉系统运行于较经济的节能状态,并使系统的年费用最小。

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