2级毛片_天天干婷婷_区二区欧美性插b在线视频网站_少妇叫床声_国产剧情v888av_欧美香蕉爽爽人人爽

By using computer 3D simulation software technology to simulate high simulation virtual images of real environments, the main function of renderings in sub industries such as architecture and industry is to 3D and simulate the flat drawings. Through the production of high simulation, the design scheme can be checked for minor defects or project scheme modifications can be made.