The utility model is capable of realizing the three functions of supine, half-lying and sitting posture.

本实用新型可实现平卧、半卧和坐姿三种功能。

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The utility model is capable of realizing the three functions of supine, half-lying and sitting posture.

本实用新型可实现平卧、半卧和坐姿三种功能。

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