|
关注：1
2013-05-23 12:21
求翻译：The material of pin for sampleúis 50CrVA, chrome-faced. Its initial surface hardness is 1 510 HV0.2, it fell 170 HV0.2 after testú. The material of bush 20CrNiMo, carbontriding, the initial surface hardness is 90.5 HR15N, it fell 0.6 HR15N after testú. The material of roller is 35CrMo, quenching, cold-extruding, 是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
The material of pin for sampleúis 50CrVA, chrome-faced. Its initial surface hardness is 1 510 HV0.2, it fell 170 HV0.2 after testú. The material of bush 20CrNiMo, carbontriding, the initial surface hardness is 90.5 HR15N, it fell 0.6 HR15N after testú. The material of roller is 35CrMo, quenching, cold-extruding,
问题补充： |
湖北省互联网违法和不良信息举报平台 | 网上有害信息举报专区 | 电信诈骗举报专区 | 涉历史虚无主义有害信息举报专区 | 涉企侵权举报专区
