求指点思路！

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未标题-1.png 如图，要做三级连线，二级做好了，三级没头绪，不知哪位大佬有思路或者之前搞过指教

Supplement 1 · Dec 10, 2017

3 replies • 2017-12-10 14:18:17 +08:00

gelilaohuang

Dec 7, 2017

codermagefox

Dec 8, 2017

我其实没懂什么是三级连线

gelilaohuang

Dec 10, 2017

@codermagefox 我补充了一下，就是这个意思