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Cr12MoV熱處理后不耐磨 |
點(diǎn)評(píng)
深冷在去應(yīng)力作用上能否取代低溫回火作用,?或者哪個(gè)效果更佳,?
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點(diǎn)評(píng)
這個(gè)講的有道理,要找問題得全程過一遍,,一個(gè)都不能遺漏,,當(dāng)然先把簡(jiǎn)單的核一遍,不是一上去就驗(yàn)金相
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