When choose heavy weight rack of position type, type size of salver (material box), the weight of goods position and layers shall be considered to determine proper column, beam, forklift or storage truck, which will affect the storage density.

• 在选用重量型货位式货架时，需考虑托盘（或料箱）的尺寸、货位重量以及叠放的层数，以决定适当的立柱及横梁，叉车或堆垛机的选型将直接影响货物的储存密度。