selective stacker

例句：

1. 1. The selectivestacker is used to sortand organize items based on their characteristics.
   选择性堆叠器用于根据物品的特性进行分类和组织。
2. 2. The selective stacker hasimproved efficiency by allowing for more efficient sorting of items.
   选择性堆叠器通过允许更高效的物品排序提高了效率。
3. 3. The selectivestacker was designed to handle a largevolume of data efficiently.
   选择性堆叠器被设计用来高效地处理大量数据。