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發(fā)布時(shí)間: 2013-4-12 12:39
正文摘要:我有個(gè)產(chǎn)品材質(zhì)是不銹鐵熱處理到45度里面那個(gè)錐度和1.5的小孔有什么刀可以車(chē)的 |
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