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所选择的太阳能集热器和太阳能热水器的优势不能充分发挥,人为造成了不少扬短避长的失败案例,这些失败的案例是很值得设计者汲取教训和认真总结的……
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2#热水系统机组加热循环泵的选用。根据空气源热泵机组的循环水流量,单台KF1660-X型机组的循环水流量为13m3/h,水侧压力损失为60kPa。5台主机共用一台循环泵。13×5=65m3/h,扬程不低于15m。