10031| 18
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雙相鋼與Q235焊接開裂問題請教 |
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點評
太低了,預熱到200℃,焊后保溫不低于150℃4小時。
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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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