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HRC各HRB两种硬度值怎么换算?---[请教] |
发表于 2006-10-25 11:49:49
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Re: HRC各HRB两种硬度值怎么换算?---[请教]
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发表于 2006-10-25 12:35:24
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Re: HRC各HRB两种硬度值怎么换算?---[请教]
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发表于 2006-11-1 09:30:16
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Re: HRC各HRB两种硬度值怎么换算?---[请教]
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发表于 2006-11-9 10:29:09
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Re: HRC各HRB两种硬度值怎么换算?---[请教]
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Re: HRC各HRB两种硬度值怎么换算?---[请教]
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