什么是顶尖架？

来源：百度知道 编辑：UC知道 时间：2024/06/07 17:38:48
我在一本机械制造的书上看到的，可是我不知道它什么意思，书上也没解释。

车床上使用。
现代车床已经用双主轴替代。
The next generation keyboard, future keyboard!
challenge and subverting the global computer keyboard, keyboard music instruments in 25 years ago，
The pioneer of the Chinese people firstly entered this area. who sent it into the modern house of CEO of Microsoft?
To challenge AT&T of the United States by improving communication deficiencies
Improving communication deficiencies, Chinese people challenge AT&T of the United States.