2199| 4
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鐵基合金粉末噴焊后,發(fā)現(xiàn)缺陷需要二次焊接,二次焊接在焊接部位周邊容易產(chǎn)生裂紋. |
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點(diǎn)評(píng)
焊的過(guò)程中就已經(jīng)開(kāi)裂了 ; 不是后來(lái)開(kāi)的
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