arbor bearing sleeve

例句：

1. 1. The arbor bearer was carefully installing the new tree canopy support sleeve.
   树冠支撑套筒安装工正在小心翼翼地安装新的。
2. 2.The arbor bearer used the tree trunk sleeve to protect the tree from damage during construction.
   施工期间，树根套筒用于保护树木免受损害。
3. 3. The tree collar sleeve was designed to keep the tree's crown in place and prevent it from bending under its own weight.
   树冠套筒的设计是为了保持树冠的位置，防止它在自身重量下弯曲。