timbered shaft

例句：

1. 1. The old tree was used to support the weight of the timbered shaft.
   那棵老树用来支撑着木制轴杆的重量。
2. 2. Timbered posts were used to reinforce the foundation of the building.
   木制轴杆被用来加固建筑物的基础。
3. 3. The engineer carefully measured and marked the timbered shaft for future repairs.
   工程师仔细测量并标记了木制轴杆，以便未来进行维修。