A Complete Collection of 100000 Whys
Fav十万个为什么
为什么超市购物车车轮能360度旋转？
简单的摘要：超市购物车车轮能360度旋转的原因主要是提高灵活性、减少推行时的体力消耗以及适应狭小空间。
1、提高灵活性：360度旋转的万向轮设计使得购物车可以轻松改变方向，便于在超市内自由移动，尤其是在货架间穿梭时更加灵活。
2、减少推行时的体力消耗：万向轮能够减少推行过程中对地面的摩擦力，使购物车在转弯或移动时更加省力，提升消费者的购物体验。
3、适应狭小空间：超市内的通道通常较为狭窄，360度旋转的车轮设计可以轻松应对狭窄环境，避免购物车卡住或难以转向，从而提高使用效率。
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