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常用45#鋼表面處理有哪些 |
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點(diǎn)評(píng)
噴焊?第一次聽說
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點(diǎn)評(píng)
這個(gè)鋁件用的比較多吧
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點(diǎn)評(píng)
這要求有點(diǎn)高了,雖說鍍鉻厚度以u(píng)m計(jì)量,但是對(duì)2絲確實(shí)有點(diǎn)影響
2個(gè)絲
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