玻璃百叶窗是由若干块玻璃叶片以相同的角度，平行地固定在框架上的窗结构。
The glass shutter is that the blade fixes the window structure on the frame of equal rank from some pieces of glass with identical Angle.
玻璃百叶窗是由若干块玻璃叶片以相同的角度，平行地固定在框架上的窗结构。
The glass shutter is that the blade fixes the window structure on the frame of equal rank from some pieces of glass with identical Angle.
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