reinforced joint

例句：

1. 1. The engineer reinforced the weak spot with steel plates to strengthen the structure.
   工程师用钢板加固了弱点，以增强结构。
2. 2.The carpenter reinforced the wooden beams with steel wire to prevent them from breaking under load.
   木匠用钢丝加固木梁，以防止它们在负载下断裂。
3. 3. The construction workers reinforced the concrete slab with steel bars to increase its strength and durability.
   建筑工人用钢筋加固混凝土板，以提高其强度和耐久性。