5466| 12
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尋找精密加工廠家 |
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點(diǎn)評
是的,三維示意圖還是有點(diǎn)問題。45號(hào)鋼需要熱處理的。
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小黑屋|手機(jī)版|Archiver|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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