The door and window are designed as steel fire protective door, aluminum alloy window and shutter.
门窗设计：主要有钢质防火门、铝合金窗及百叶窗。
The door and window are designed as steel fire protective door, aluminum alloy window and shutter.
主要有钢质防火门、铝合金窗及百叶窗。
The protective net is single-sided , that is to say, one side is protective net and the other is shutter .
防护网是单面的，即一面是防护网，另一面是百叶窗。
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