也是看大家的帖子用铁锅一个 放一把宋钱 加热 发现-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------钱币上渗出亮晶晶的小银珠 -----------------其实是锡----------------------------------------------------------后来放入水中也的确能除锈 ----------------但是钱成黑色的了-------------------------------------------------------------------变不回来了 -----------大家用过这种方法吗
