single lap joint

例句：

1. 1.The engineer designed the structure with a single lap joint for strength and durability.
   工程师设计了结构，采用单层焊缝接头以提高强度和耐久性。
2. 2. During construction, the team used a single lap joint to join the beams together.
   施工期间，团队使用单层焊缝接头将梁连接在一起。
3. 3.The single lap joint was crucial in preventing the leakage of water from the roof.
   单层焊缝接头在防止屋顶漏水中起到了关键作用。