这是老大南花了一年多时间修理电机攒的废铜线，今天来把它们全部熔炼成铜砖！ 

【老大南】官方頻道
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/ @bossnan
/ bossnanstudio
我是一名普普通通的供水系統工程師，煉金師，法師，魔法師，鑄造師，玻璃形變藝術師，鐵匠，獸醫，擅長技能:唏噓
This account is the only official account of [laodanan] RU-vid (others are malicious moves)
Hello everyone, I'm Da Nan!
If you like my video, please subscribe to my channel
/ @bossnan
I am an ordinary water supply system engineer, alchemist, mage, magician, caster, glass deformation artist, blacksmith, veterinarian, good at skills: sigh