presintered bar

例句：

1. 1.The presintered bar was used to reinforce the concrete structure.
   预烧结棒用于加固混凝土结构。
2. 2. The engineer tested the presintered bar for its strength and durability.
   工程师测试了预烧结棒的强度和耐用性。
3. 3.The construction company used presintered bars to reinforce the foundation of the building.
   建筑公司使用了预烧结棒来加固建筑物的基础。