焊接的種類 | Types of Welding影片名：Types of Welding (焊接的種類) (英文介紹)來源：Hobart Welding Products https://www.youtube.com/watch?v=a2fzToqhGyI&feature=youtu.be(只供教學用途。) #焊接Welding #焊槍 #焊支
影片名：Types of Welding (焊接的種類) (英文介紹)來源：Hobart Welding Products https://www.youtube.com/watch?v=a2fzToqhGyI&feature=youtu.be(只供教學用途。) #焊接Welding #焊槍 #焊支
