hollow section 空心截面 ; 空心型钢 ; 空心管 ; 通
hollow section steel fence 空心钢栏
Square hollow section steel 方管钢
hollow section steel fencing 测孔千分尺
square hollow section joints 方管节点
square hollow section columns 方管柱
Square and rectangular hollow section 方形和矩形钢管
Hollow Steel Section 薄壁型钢
The geometrical similarity law in cross section was satisfied for the aluminum extruded tubes with a double hollow section.
具有双孔截面的铝合金挤压管的断面形状满足几何相似定律。
The beam web, which extends over the entire bridge, is built of a trapezoidal, for reasons of corrosion protection hermetically welded hollow section.
梯形梁延伸到整个大桥，主要是为保护密封焊接空心截面不被腐蚀。
The achievements in this paper may be referenced for the fire protection design of practical engineering with concrete filled steel rectangular hollow section columns.
本文的研究成果可为有关矩形钢管混凝土工程进行抗火设计时提供参考。
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