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關(guān)注：1
2013-05-23 12:21
求翻譯：芯軸局部熱處理，中間8mm區(qū)域表面硬度713~856HV，有效滲層≥1mm（550HV），兩端1.5mm區(qū)域硬度255~329HV是什么意思？ 待解決
 懸賞分：1
- 離問題結(jié)束還有
芯軸局部熱處理，中間8mm區(qū)域表面硬度713~856HV，有效滲層≥1mm（550HV），兩端1.5mm區(qū)域硬度255~329HV
問題補(bǔ)充： |
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2013-05-23 12:21:38
Local heat treatment of the mandrel, intermediate 8mm regional surface hardness of 713 856hv effective layer ≥ 1mm (550hv), both ends of the 1.5mm region hardness of 255 ~ 329hv
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2013-05-23 12:23:18
Local heat-treatment research axis 8 mm area in the middle 713 ~ 856 surface hardness, HV effective membrane level ≥ 1 (550 MM) and two end HV 1.5 mm area hardness 255 ~ 329 HV
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2013-05-23 12:24:58
The core axis partial heat treatment, middle 8mm region skin hardness 713~856HV, infiltrates the level effectively ≥1mm(550HV), both sides 1.5mm region degree of hardness 255~329HV
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2013-05-23 12:26:38
Mandrel local heat treatment, surface hardness of 8mm area in the Middle 713~856HV, effective permeability layer ≥ 1mm (550HV), at both ends of 1.5mm area of hardness 255~329HV
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2013-05-23 12:28:18
正在翻譯，請(qǐng)等待...
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