weld assembly

例句：

1. 1. The engineer carefully welded the metal parts together to make a stronger structure.
   工程师仔细将金属部件焊接在一起，以制作更坚固的结构。
2. 2. The new car has a welded assembly that ensures safety and durability.
   这款新车采用了焊接组装，确保了安全性和耐用性。
3. 3. The team worked tirelessly to weld the assembly together for the final assembly line.
   团队不懈努力，将各个部分焊接在一起，为最终的装配线做准备。