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2013-05-23 12:21
求翻译：The material of pin for sampleûis XC55, chrome-faced. Its initial surface hardness is 1 340 HV0.2, it fell 100 HV0.2 after testú. The material of bush 18CND6, carbontriding, the initial surface hardness is 90.5 HR15N, it fell 0.6 HR15N after testú. The material of roller is XC42, carbontriding, cold-extruding, the init是什么意思？ 待解决
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The material of pin for sampleûis XC55, chrome-faced. Its initial surface hardness is 1 340 HV0.2, it fell 100 HV0.2 after testú. The material of bush 18CND6, carbontriding, the initial surface hardness is 90.5 HR15N, it fell 0.6 HR15N after testú. The material of roller is XC42, carbontriding, cold-extruding, the init
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