A steel grid attached to the ceiling incorporates a rail with moveable lighting fixtures, which can be slid up and down to adapt to the cafe's number of USES.
附加到天花板的钢格栅，包括具有可移动照明固定装置的轨道，可以上下滑动以适应咖啡馆的使用方式。
2
This instrument applies tension test of rope structures in the glass curtain wall, rail, power grid and other industries.