6108| 11
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滲碳淬火不是表面處理嗎,為什么對(duì)淬透性有很高的要求? |
評(píng)分
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點(diǎn)評(píng)
本質(zhì)所在
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點(diǎn)評(píng)
一定材質(zhì)的軋輥其淬火深度是有極限值的
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