It features a stepped tread pattern that includes a large rectangular lug as the base with smaller square pins mounted on top.

它具有一个加强胎面花纹，其中包括一个大型长方形耳为基础的小广场上安装针顶端。

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I tread the stone steps and enter a huge space by another gate in the top of well.

我踏上石阶，不一会儿便由顶端的另一道门，进入一个巨大的空间。

youdao

I tread the stone steps and enter a huge space by another gate in the top of well.

我踏上石阶，不一会儿便由顶端的另一道门，进入一个巨大的空间。

youdao