查看会员资料
用 户 名:宁***
发送消息- Email:用户隐藏
- Icq/MSN:
- 电话号码:
- Homepage:
- 会员简介:
最新会员发布资源
wuchapingding
- 采用最小二乘法进行深孔直线度误差评定 traightnesso f Hole with Precision Fit - THE straightness error was assessed using the least squares method OF Deep hole,,Research on Error Evaluation Method for the 嫡SS traightnesso f Hole with Precision Fit