The glassshutter 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。
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The double-faced hollow toughened glass provides good sound insulation, heat insulation and safety. Installing power-operated or magnetic control shutter will save you the trouble of curtain cleaning.