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工件在鍛造時出現裂紋,,補焊后發(fā)現又有較深裂紋---請教 |
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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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