The rules are given when get PCB process, and finally introduce the flow and method of debugging hardware system.
给出了PC B设计所要遵循的规则，最后说明了硬件系统的调试流程及方法。
The die is of fast making, high efficency, excellent quality, lower cost and so on, and is a new try of PCB contour process.
这种模具制作速度快、效率高、质量精良、成本较低，不失为印制电路板外形加工的一种新的尝试。
Used in the masking operation during wave solder process on PCB, prevented electroplating liquid immersing and polluting.
适用于PC b板含浸过程中遮蔽金手指部分和防止电镀液浸入及污染。
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