5299| 18
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新人求助一下熱處理后的狀態(tài) |
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點(diǎn)評
老大,我咋知道你是啥材料呀,。你問也要把問題說清楚,,淬透的都是薄才行,那是脆的,。我就是行車輪表面處理一下聽過師傅說這個(gè)工藝,。
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點(diǎn)評
45鋼就沒什么韌性,。,。。,。,。。,。
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