In the separation of people and vehicles on the basis of the ground floor of the walk traffic becomes safe, smooth and simple.
在人车分流的基础上，地面层步行交通就变得安全、畅通与简单了。
In the separation of people and vehicles on the basis of the ground floor of the walk traffic becomes safe, smooth and simple.
在人车分流的基础上，地面层步行交通就变得安全、畅通与简单了。
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