4173| 26
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鋼材卷料(調(diào)平,,開平,整平)機(jī)設(shè)備中的滾筒軸,。 |
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點評
大佬,,有廣東的靠譜加工廠渠道沒,?
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點評
鍍鉻和外圓磨這兩工序是哪個在前哪個在后�,。�
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點評
是,卷料整平,,軸端部裝齒輪,。
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