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a4-70是什么材质

更新时间: 2020-12-16 16:57:21     

a4-70的材质是不锈钢。需要对a4-70进行日常常规的保养,如果不能对其进行保养,这种类型的钢会腐蚀的很快,而且会比其它类型的普通的钢严重。a4-70主要用于制作一些工具钢,a4-70这种钢材也可以做刀,但是通常会比较短,不是因为此刚才不能做长刀,而是因为考虑到刀的实用性,把刀做太长也没用,而且用起来也不太方便,所以一般来说,刀基本上没有超过25厘米的。

关键词: a4 什么 材质

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