轮子旋转时需要承受巨大的和不断变化的压力，所以要使结构更坚固，钢的部分要用螺栓连接，而不是焊接在一起。

The wheel would need to withstand immense and constantly changing stresses as it rotated, so to make the structure more robust, the steel sections were bolted rather than welded together.

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因此，它是一种研究焊接结构疲劳损伤过程的新途径。

So, it is the new method of researching welded structure fatigue damage process.

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混凝土墙、钢梁和张量组成结构，用自身美学标识立面，在工业和现代的建筑外观上表现螺栓和焊接的结构。

Concrete walls, steel beams and tensors compose the structure that marks the facade with its own aesthetics, showing the bolts and welding on an industrial and contemporary look.

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