3439| 9
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高溫合金材料上如何加工內(nèi)六方 |
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點(diǎn)評(píng)
這個(gè)難了 沖頭做這個(gè)材料很費(fèi) 可能都加工不動(dòng)
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Archiver|手機(jī)版|小黑屋|機(jī)械社區(qū) ( 京ICP備10217105號(hào)-1,京ICP證050210號(hào),浙公網(wǎng)安備33038202004372號(hào) )
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