Its half-coconut shaped pillar and the metal ring with a silicon rubber provide the flexible motion.

这种椅子的半椰子状底座和硅胶金属环是它能够摆出各种造型。

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And in each pillar there is a ring.

每根柱子上挂着一只铁环。

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And in each pillar there is a ring.

每根柱子上挂着一只铁环。

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