請問0.5抽水馬達,使用6分管,揚程2米,4噸的水多久可抽完 - 社會議題

By Poppy
at 2014-07-15T00:00
at 2014-07-15T00:00
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請問0.5抽水馬達,使用6分管,揚程2米,4噸的水多久可抽完煩請提供計算公式謝謝各位大大
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By Ivy
at 2014-07-18T08:26
at 2014-07-18T08:26
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