3486| 7
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關(guān)于鍍鋅板噴塑和不銹鋼201的對(duì)比問題 |
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點(diǎn)評(píng)
201\304差不了多少錢吧,,201主要問題是很多都是回收料冶煉的,成分復(fù)雜,,加工性可能不好
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