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內(nèi)孔梅花鍵加工,,誰能做 |
點(diǎn)評
人家找熱處理,,電鍍花的時(shí)間也是要計(jì)算成本的,。電鍍是個(gè)重污染行業(yè),很難找,,就算找到,,人家也不愿意做這小批量
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