The seat cushion is a metal framework, and empty windows are kept at the front, rear, left and right sides, in particular to both front and rear sides. The backrest is also a metal framework.

座垫为金属框架，前、后、左、右，特别是前、后两面保持是空窗，靠背亦为金属骨架。

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The seat cushion is a metal framework, and empty windows are kept at the front, rear, left and right sides, in particular to both front and rear sides. The backrest is also a metal framework.

座垫为金属框架，前、后、左、右，特别是前、后两面保持是空窗，靠背亦为金属骨架。

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