后推式货架是采用轨道和托盘小车相结合，利用货物的自重，实现货物的先进后出，适合于大批量同类型货物的存储，空间利用率很高。

     Push Back Racking is using track system with pallet cart,under the influence of gravity,first in later out is available,it is suitable for storage large quantity and same kinds of goods.High unilization ratio of storage space.