Spiral electrical conduit to convert the field using mobile light beam lights and high beam, to meeting the standards of precision automotive and can be reused.
螺线形电导管利用移动光栏来转换近光灯和远光灯，能满足汽车的标准精密度并且能够重复使用。
2
Some meeting room of Sichuan International Tennis Center applies large-span and cantilever prestressed structure simultaneously to form cross prestressed beam structure.
四川国际网球中心会议中心某会议室同时采用大跨度和悬挑预应力结构，形成交叉预应力梁结构。
3
Introduce the massive concrete construction technique and experience in annular beam of Nantong gymnasium meeting and exhibiting center.