These openings connect with an external timber decking and can be concealed by drawing across perforated metal shutters.
这些开口用外部木材甲板连接，并可以通过穿孔的金属百叶窗而隐藏。
These openings connect with an external timber decking and can be concealed by drawing across perforated metal shutters.
这些开口用外部木材甲板连接，并可以通过穿孔的金属百叶窗而隐藏。
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