其中，中庭上大下小的渐开型旋转楼梯，发挥了类似烟囱的“拔风”作用，把温湿度适宜的新风带到每个角落。
Among them, large atrium under the small involute rotating staircase, played a similar chimney "pull the wind" effect, the appropriate temperature and humidity of the new wind to every corner.
自然通风从四周外墙处进风，然后将污浊的室内空气利用楼梯间角楼的烟囱效应向外拔风。
Natural ventilation enters the wind from all around the outer wall place, then in the filthy room the air outward will pull out the wind using the stair hall watchtower chimney effect.
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