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本文总结出的常规接线图表的简单画法，使其图纸篇幅减少，视圈直观、简明，复杂的项目端子号间的电连接关系一目了然。
This article summarizes the conventional wiring diagram of a simple method to reduce the length of the drawings, visual loop, concise, complex connection between the project terminal number at a glance.