9895| 7
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哪種鋼材或如何使鋼材的硬度有HRC52度,并長(zhǎng)年浸水不銹--請(qǐng)教 |
316不銹鋼可以淬火嗎
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用日產(chǎn)SUS440系列
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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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