搜索 - 科创

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联系方式：QQ：1030879430支付宝：13691785932 刘伟雄可以走安全的某宝激光切割再一件一件弄上去，不简单，仅此一件。

如题，有没有人试一下用电弧焊作为挤出头来做金属打印呢？这样成本相对低，有兴趣的朋友是不是可以参考或研究研究，欢迎探讨

注意事项： 1.价格不包含运费，快递费到付，默认发顺丰 2.人在北京，北京可见面交易，其余地区先款交易，我只有建行卡 3.尺寸请参照标尺，1格1厘米 4.联系方式qq569452195 5.想要更...

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