樓主: wxl_951
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內(nèi)孔梅花鍵加工,誰(shuí)能做 |
點(diǎn)評(píng)
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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