R1環回到R5走R2走，R5環回到R1走R3走(一)

這裏寫自定義目錄標題 在這裏插入圖片 描述 undo t m Info: Current terminal monitor is off. sys system-view Enter system view, return user view with Ctrl+Z. [Huawei]sys R1 [R1]user-in con 0 [R1-ui-console0]int loop 0 [R1-L

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