将工作案板(1)由直立状态翻转至水平状态，便完成了从床到桌的转换。
Turning the working board (1) from vertical state to horizontal state achieves the conversion from bed to desk.
操作简便，翻转一张床的压力弹指一灰间。
Simple operation to raise and lower a bed with the pressure of a fingertip.
操作简便，翻转一张床的压力弹指一灰间。
Simple operation to raise and lower a bed with the pressure of a fingertip.
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