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How to choose DC brushless water pump?
How to choose DC brushless water pump?1. First determine the working voltage, current, head and flow, the size of the caliber, the maximum head of the pump's general standard, refers to the static
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How to choose the right fountain pump ?
How to choose the right fountain pump1. First consider the fountain pump flow and head. The universal fountain, without the color of the flower, as long as the head is satisfied, the flow rate can be
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