welding line materials

• 焊缝

welding line materials的用法和样例：

例句

1. The welding is too thin and needs rewelding.
   焊缝太薄需要重焊。
2. A tactile sensor welding seam tracing in welding was designed.
   摘要设计了一种接触式自动焊缝跟踪传感器。