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Altium Designer PCB 常用功能键 方格与格点的切换:View-Grids-ToggleVisible Grid Kind 源点:Edit-Origin-Set 边界的定义:Keep Out Layer-Utility Tools-PlaceLine 按TAB可定义线宽 选取元件:PCB-PCB Filter-IS Component 逐个放置元件:TOOLS-Component...