Adjustable seat height to ensure arms at 90 . angle with the table.

座位高低可调校,让手与桌面永远保持90度角.

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Adjustable seat height Pull push the control lever to adjust the seat to a comfortable height.

向下调节;向下施力,拉起控制杆将坐椅下调到舒适位置.

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In a good seat height adjustment, but also to adjust the seat position before and after.

在调整好座椅的高度后, 还要调整座椅的前后位置.

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