物流单元堆码层数（logisticsUnitStackingFactor）

The stacking factor of both the unit load (content) and the platform upon which the goods are carried, if there is one. A stacking factor deter-mines the maximum stacking for the product. Indicates the number of levels the product may be stacked.

单元货载（内容）和载货台（如有）的堆码层数。堆码层数决定了产品的最大堆码量，表示产品可以堆码多少层。