12043| 8
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國外材料牌號和國內牌號的對應關系---[求助] |
Re: 國外材料牌號和國內牌號的對應關系---[求助]
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Re: 國外材料牌號和國內牌號的對應關系---[求助]
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Re: 國外材料牌號和國內牌號的對應關系---[求助]
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Re: 國外材料牌號和國內牌號的對應關系---[求助]
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G40.21-44W,G40.21-50W
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6063鋁合金硬度強度對照表
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機械加工
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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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