飞机发动机上的焊缝，电焊工值得一看，钛铝不锈钢都有_哔哩哔哩 (゜-゜)つロ 干杯~-bilibili

Name: %E9%A3%9E%E6%9C%BA%E5%8F%91%E5%8A%A8%E6%9C%BA%E4%B8%8A%E7%9A%84%E7%84%8A%E7%BC%9D%EF%BC%8C%E7%94%B5%E7%84%8A%E5%B7%A5%E5%80%BC%E5%BE%97%E4%B8%80%E7%9C%8B%EF%BC%8C%E9%92%9B%E9%93%9D%E4%B8%8D%E9%94%88%E9%92%A2%E9%83%BD%E6%9C%89
Uploaded: 2021-03-08T15:26:33.580Z
Description: %E9%A3%9E%E6%9C%BA%E5%8F%91%E5%8A%A8%E6%9C%BA%E4%B8%8A%E7%9A%84%E7%84%8A%E7%BC%9D%EF%BC%8C%E7%94%B5%E7%84%8A%E5%B7%A5%E5%80%BC%E5%BE%97%E4%B8%80%E7%9C%8B%EF%BC%8C%E9%92%9B%E9%93%9D%E4%B8%8D%E9%94%88%E9%92%A2%E9%83%BD%E6%9C%89

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