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N80Q(29MN4)調(diào)質(zhì)HR35度左右,螺距6毫米,用什么材質(zhì)的焊接刀加工螺紋。 |
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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