当垃圾筒内垃圾接近垃圾筒 的上开口时，通过控制装置压缩垃圾；

When the garbage in the garbagecan is close to the upper opening of the garbagecan, the garbage is compressed through the control device.

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与箱体上开口对应的箱盖也为双层不锈钢壳体，其夹层内设有保温材料层。

A case cover corresponding to an opening of the box body is also a double-layer stainless steel casing and an insulation material layer is equipped in a mezzanine of the casing.

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依照中庭中需要的新鲜空气的量，建筑机械系统能够调整开口的大小，14.5米的花园每四分之一的墙体上开口的大小是相等的。

Depending on the quantity of fresh air that is required in the atrium, the BMS adjusts the size of the openings which are equivalent to a quarter of the 14.5m garden wall.

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