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2、過共析鋼因過熱而析出網狀滲碳體組織時,可用下列(D)工藝消除。 A完全退火B等... |
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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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