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Frame: aluminum alloy frame.
框架：铝合金框。
youdao
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Aluminum alloy steel frame design, high strength, light weight.
铝合金钢架计划，强度高、分量轻。
youdao
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Sleel board surface and alloy aluminium edge and door frame.
净化室专用逃生窗采用专用彩钢板面，铝合金封边和门框。
youdao
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Sleel board surface and alloy aluminium edge and door frame.
净化室专用逃生窗采用专用彩钢板面，铝合金封边和门框。
youdao