2502| 13
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請(qǐng)問下面焊接組合哪種更容易些? |
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點(diǎn)評(píng)
空心輥往往用45#(或者45#與Q235組合)焊接,,要熱處理保證力學(xué)性能,并做表面處理的,。Q235是滿足不了要求的,。
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