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重力式貨架是采用滾筒式軌道，利用貨物的自重，實現貨物的先進先出，適合于大批量同種類貨物的存儲，空間利用率極高。

    Gravity Racking using roller path system or pallets with roller,under the influence of gravity,"first in first out" is available,it is suitable for store large quantity and same kinds of goods,High unilization ratio of storage space.