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  • RO反渗透设备
    RO反渗透设备

    跌水与急流槽是路基地面排水沟渠的特殊形式,用于陡坡地段排水,沟底纵坡可达 45°。倒虹吸是借助上、下游沟渠水位差,利用势能迫使水流降落,经路基下部洞身管道流向路基另一侧,再上升流入下游沟渠。渡水槽相当于渡水桥,其作用是在路基上空将两侧沟渠连

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