sanso asetilren yongjeopgi
oxyacetylene welding machine
machine de soudage oxyacétylénique
산소 아세틸렌 용접기를 사용하여 금속을 용접했습니다.
sanso asetilen yongjeobgireul sayonghayeo geumsogeul yongjeobhaessseubnida.
I used the oxyacetylene welding machine to weld the metal.
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