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                                Cadence PCB | 
                            370 | |
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                                Mentor PCB | 
                            194 | 
                                 
                                                                                                            xpedition Package Designer 2.1 ... 2025-10-9 10:30 kaaa1001
                                                                                                     
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                                Aultium/Protel PCB | 
                            188 | |
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                                其他PCB设计及方法 | 
                            344 | |
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