drill centers meaning in Chinese
钻中心孔
Examples
- Through the analysis of technology for spindle - foot spindle of thread spinner , the projects of cold extrusion technology and forming process that drilling center hole and multiple cold extrusion , have been put forward
摘要通过对纺机锭脚的工艺性分析，提出了可行的冷挤压成形方案，即采用多工序冷挤压和钻孔的加工方法进行锭脚生产。