服务区和洗衣房也在这层，向着空处展开。

Also on this level, the service area and laundry are located unfolding towards a void.

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返回当前带区中当前行的展开及折叠状态。

Returns the expand and collapse state of the current row in the current band.

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返回当前带区中当前行的展开及折叠状态。

Returns the expand and collapse state of the current row in the current band.

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