... 金属制帐篷桩 Tent pegs of metal 金属天花板 Ceilings of metal 金属地板 Floors of metal ...
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The industry of building metal structures is such an industry engaged in designing and producing various metal structure products such as doors and Windows, curtain walls and daylighting ceilings.
建筑金属结构行业是设计和生产制造门窗、幕墙、采光顶等各种金属结构产品的制造行业。
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