3528| 5
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關于鑄鐵材質詢問 |
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點評
原來這樣,那就在不起眼的部位打一下布氏硬度。同鑄件打交道,手提式硬度機應該有吧。
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Archiver|手機版|小黑屋|機械社區 ( 京ICP備10217105號-1,京ICP證050210號,浙公網安備33038202004372號 )
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