9406| 5
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不銹鋼SUS304能不能淬火硬度達到HRC50-60,? |
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點評
厲害了
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小黑屋|手機版|Archiver|機械社區(qū) ( 京ICP備10217105號-1,,京ICP證050210號,,浙公網安備33038202004372號 )
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