讲述了深圳市华为技术有限公司的PCB布线的一些规则和技巧，广大硬件工程师值得一看，看看大公司的一些要求，提高自我。-Tells the story of some of the rules and techniques of Shenzhen Huawei Technologies Co., Ltd. PCB layout, the majority of hardware engineers worth a look, take a look at some of the requirements of large companies to improve themselves.