井筒检查孔
By analysis of size and requirement of taper hole of transmission fork shaft, the original straight hole test instrument has been improved, which makes the new test instrument be suitable for machining and requirement.
通过对变速叉轴锥孔设计尺寸及使用要求的分析,对原来变速叉轴直孔综合检具的设计进行了改进,使得新的综合检具能较好地适应其加工及检测要求。
微语录 · 句子大全
微语录 · 百科知识
微语录 · 伤感句子