电焊的两种正确接头方法，只要学会了，就能焊一道漂亮的焊缝_哔哩哔哩 (゜-゜)つロ 干杯~-bilibili

Name: %E7%94%B5%E7%84%8A%E7%9A%84%E4%B8%A4%E7%A7%8D%E6%AD%A3%E7%A1%AE%E6%8E%A5%E5%A4%B4%E6%96%B9%E6%B3%95%EF%BC%8C%E5%8F%AA%E8%A6%81%E5%AD%A6%E4%BC%9A%E4%BA%86%EF%BC%8C%E5%B0%B1%E8%83%BD%E7%84%8A%E4%B8%80%E9%81%93%E6%BC%82%E4%BA%AE%E7%9A%84%E7%84%8A%E7%BC%9D
Uploaded: 2021-04-11T00:34:26.087Z
Description: %E7%94%B5%E7%84%8A%E6%8E%A5%E5%A4%B4%E6%96%B9%E6%B3%95%EF%BC%8C%E7%84%8A%E6%8E%A5%E6%8E%A5%E5%A4%B4%E6%96%B9%E6%B3%95%EF%BC%8C%E7%84%8A%E6%8E%A5%E6%96%B9%E6%B3%95

焊工小高