bottom slot layer

例句：

1. 1. The bottomslot layer is crucial for thestability of the structure.
   底层插槽层对于结构的稳定性至关重要。
2. 2. The engineer designed a newbottom slot layer to improve the durability ofthe material.
   工程师设计了一种新的底层插槽层，以提高材料的耐用性。
3. 3. The bottom slotlayer plays a vital role in preventing waterseepage and maintaining structural integrity.
   底层插槽层在防止水渗透和保持结构完整性方面起着重要作用。