principal axis是什么意思

用法例句

The setting out of main axes of Nanjing Olympic Gym Center;

南京奥体中心主轴(线)的测设

The construction and development of the "Central-Zhejiang Megalopolis" have much bearing on the urbanization process and coordinated growth of regional economy in Zhejiang province,and the "central axis" that connects Jinhua and Yiwu is a strategically important chain therein.

文章在分析"聚合主轴(线)"的结构和涵义,聚合现状及发展优势的基础上,从平台构筑、规划共绘、设施共建、产业协作、外向带动五个方面提出了具体对策。

Force analysis on main shaft of super micro mill;

机械冲击式超细粉碎机主轴系统受力分析

Cause analysis of and improvement to cracked main shaft of PTA screw conveyor;

PTA螺旋输送机主轴断裂事故分析及改造

The positioning design of main shaft in CKS630-1C NC lathe is discussed.

以CKS630-1C数控车床主轴定位设计为讨论对象,在数控系统缺乏主轴定位控制模块及信号的情况下,设计中采用附加刹车程序的方法来达到控制目的,并通过反励磁电路设计使直流抱闸达到快捷刹车的目的。

Lathe Spindle Driven by Variable Speed Switched Reluctance System and its Numerical Control Method;

开关磁阻调速式车床主轴及其数控方法

Effect of spindle dynamics on system stability in super-precision machining center;

精密车床主轴动态特性对系统稳定性的影响