2994| 6
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板類零件鍍鉻 |
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點(diǎn)評(píng)
價(jià)格是一方面,表面性能(防腐,耐磨),外觀也類似,
意思是如45鋼Q235一類的板材加上鍍硬鉻后的價(jià)格,比不銹鋼還貴,是嘛?
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