In addition, square steel, flat steel, six chest steel, hollow steel, shaped and so on.

此外, 还有方钢 、 扁钢 、 六胸钢 、 中空钢 、 异型等.

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In this article , the emphasis is put theoretical study about the stress of square steel - pipe truss.

方钢管桁架是一种将成熟的桁架制造技术和新型的钢管材料有机结合的结构体系.

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This paper changes conventional manufacturing technology on long hole of square steel to raise working efficiency.

改变传统的方形长孔加工工艺,提高工效.

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The lower prestressed fabricated arch is a type of steel structure of square steel tubes.

低预应力装配式方钢管拱结构是一种新型的结构型式.

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