longitudinal seam

例句：

1. 1. The car's body is made of steel and has a longitudinal seam running through it.
   这辆车的车身由钢制成，有一条贯穿其间的纵向接缝。
2. 2.In the construction industry, the longitudinal seam is an important part of the process.
   在建筑业中，纵向接缝是这一过程的重要组成部分。
3. 3.The engineer carefully measured the length of the longitudinal seam before starting the welding operation.
   工程师在开始焊接操作之前，仔细测量了纵向接缝的长度。