The system consists of a lightweight extruded aluminium perimeter section with integrated steel base plates.

该系统由一个轻量级的挤压铝综合钢铁基地板周长部分。

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English Name:Aluminium and aluminium alloys - Extruded rod/bar, tube and profiles - Part 8: Porthole tubes, tolerances on dimensions and form;

简体中文标题：铝和铝合金。挤压棒材、管材和型材。第8部分：带孔管材。尺寸和形状公差。

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It is a reference for anybody concerning quality of wrought aluminium alloy extruded profiles for architecture.

为关注铝合金建筑型材质量的各方提供参考。

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With space-frames, car makers can clip extruded tubes or sections made of steel or aluminium on to a basic floorpan.

ECONOMIST: Cars