The threaded rod has a threaded portion in its front end.
在螺杆已在其前端螺纹部分。
Is the threaded portion of the spare tailshaft well coated with paint?
备用尾轴的螺纹部分涂漆了吗？
Througn designing three axial slots in internal threaded portion and optimizing nib structure, a design was made on the injection mould with a two-step ejecting mechanism with non-rotating.
通过对主体压铸件的结构工艺性分析，确定了模具结构设计方案，介绍了台阶分型面选择、立式缝隙浇口浇注系统设计、预复位推出机构设计和镶块镶拼结构设计。
应用推荐