The drive device arranged on the base is provided with a drive component to drive each curtainboard deflecting.
该驱动装置设于该基座，使该带动件带动各该遮板偏转。
2
Curtain wall rock wool board should be moisture-proof overhead stacking.
幕墙岩棉板应架空防潮堆放。
3
Elastic mid-strength rock wool board: used for heat preservation, fireproofing and sound absorption for the building wall/roof, such as curtain wall, inner wall partition and elevator hoistway, etc.