아크용접 초보를 위한 동영상 다섯번째.(Video #5 for arc welding novices)용접봉 선택 요령
This video is for those new to arc welding... Switch Arc Welder KH200: https://m.site.naver.com/1JzN0 Switch Arc Welder KH230: ttps://m.site.naver.com/1JzKN Psteel Master Naver Cafe: https://cafe.naver.com/psteelmaster

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