旋转门的介绍(Revolving door)

旋转门起源于荷兰，至今已有一百年的历史，在这段时间内，从以前意义的专门到今天的全自动旋转门，旋转门经历了一个漫长的发展历史。其种类较多，按控制方式可分为全自动旋转门、半自动旋转门和手动旋转门；按旋转翼结构方式可分为两翼旋转门、三翼旋转门和四翼旋转门；按结构材料科分为金属框架旋转门、水晶旋转门和木旋转门。

译文  
Revolving door originated in Holland, has been one hundred years of history, at that time, before the special meaning from the automatic revolving door to today, revolving door endured a long history. The type is more, according to the control mode can be divided into automatic revolving door, semi-automatic revolving door and manual revolving door; According to the rotor structure can be divided into two wings revolving door way, 3 wing revolving door and 4 wing revolving door; According to the structure into a metal frame revolving door, national crystal revolving door and wood revolving door.

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