The drive device arranged on the base is provided with a drive component to drive each curtain board deflecting.

该驱动装置设于该基座，使该带动件带动各该遮板偏转。

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Curtain wall rock wool board should be moisture-proof overhead stacking.

幕墙岩棉板应架空防潮堆放。

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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.

有弹性，中等强度岩棉板：适用于建筑墙体/屋顶保温、防火、吸音，如幕墙、内墙隔断、电梯井等。

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