For the diameters ratios, the stanchions pipe to ball is approx 0.6, top rail to ball is approx 0.5, mid rail to ball is approx 0.4.

球接栏杆的立柱管直径与球直径之比约为0.6；扶手管直径与球直径之比约为0.5；横杆管直径与球直径之比约为0.4。

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