This paper researches the key technology of High Speed PCB Machine based on the current advanced technology and the characteristic of PCB 's mechanical processing.
本文结合目前的先进技术和印刷电路板机械加工的特点对快速PC B机的关键技术进行了研究。
A function is not very complicated if the United States the development of the 50's series of 74 or 60 during the CD4000 series to get these pure hardware, the circuit must be a big PCB board!
一个不是很复杂的功能要是用美国50年代开发的74系列，或者60年代的CD 4000系列这些纯硬件来搞定的话，电路一定是一块大PC B板！
A function is not very complicated if the United States the development of the 50's series of 74 or 60 during the CD4000 series to get these pure hardware, the circuit must be a big PCB board!
一个不是很复杂的功能要是用美国50年代开发的74系列，或者60年代的CD 4000系列这些纯硬件来搞定的话，电路一定是一块大PC B板！
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