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熱處理問題求助 |
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大俠,,去了解一下把,淬火是整體有硬度,,不是說表面有硬度,,你說的那種表面強(qiáng)度的是氮化或者QPQ,這個(gè)是增加表面硬度的,,耐摩擦
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點(diǎn)評
了解,,謝謝
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