其结构和横梁式货架相似，区别是将其设 计成双排并列存放的货架类型，增加⼀倍的存 储量，配套使⽤剪⼑式叉车。 其主要特征有： 1.横梁⾼度较低，操作⾼度可达8⽶。 2.中等的库存流动，提供50%的可选性。 3.适⽤于取货率较低的仓库，地⾯使⽤率 可达42%。 4.⽐普通横梁式货架增加⼀倍的存货量。 5.叉车通道需要在3.3⽶左右。 6.先进后出的存取⽅式，很难做到先进先 出。 7.每卡位建造成本是所有⽴体仓库系统中 成本最低的⼀种货架系统。

Its structure is similar to the cross beam rack, but  the difference is that it is designed as a rack type with  double rows and parallel storage, doubling the storage  capacity, and supporting the use of scissors forklift.Its  main features are: 1. The beam height is low, and the operating  height can reach 8m. 2. Medium inventory flow, providing 50% options. 3. It is applicable to warehouses with low picking  rate, and the ground utilization rate can reach 42%. 4. The inventory is twice as much as that of the  ordinary cross beam shelf. 5. Forklift passage should be about 3.3 meters. 6. The first in first out access mode is difficult to  achieve first in first out. 7. The construction cost of each card slot is the  lowest in all stereo warehouse systems.