本例代码需要专门的vrml浏览器浏览，本例代码是一般酒店，公司等场所的旋转门，在建大型三维场景时可以直接链接此例插入场景-This case, the code requires specialized vrml browser browsing this case, the code is the revolving door of the place of the general hotel companies in the construction of large three-dimen