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40Cr焊接后開(kāi)裂,,廠里沒(méi)有預(yù)熱的設(shè)備---[請(qǐng)教] |
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Re: 40Cr焊接后開(kāi)裂,,廠里沒(méi)有預(yù)熱的設(shè)備---[請(qǐng)教]
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Re: 40Cr焊接后開(kāi)裂,,廠里沒(méi)有預(yù)熱的設(shè)備---[請(qǐng)教]
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Re: 40Cr焊接后開(kāi)裂,,廠里沒(méi)有預(yù)熱的設(shè)備---[請(qǐng)教]
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Re: 40Cr焊接后開(kāi)裂,廠里沒(méi)有預(yù)熱的設(shè)備---[請(qǐng)教]
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