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着重论述了小型轴流风机用于地方中小型煤矿作主通风机的优越性，采用独特布置方式，节省占地，节省投资，布置简单、可靠、易行。
Emphatically discusses the advantages of the small axial fan used in the local small and medium-sized coal mines as the main ventilator. It adopts unique arrangement to save land, save investment, and has simple layout, reliability and easy operation.