转门手脚支点在同一直线而且重心不在此线下方身体不可控制地以此线为轴象栅栏门那样转下来
The pivot points of the hands and feet of the revolving door are on the same straight line, and the center of gravity is not below this line. The body uncontrollably rotates down along this line like a fence gate
以上为机器翻译结果，长、整句建议使用 人工翻译 。