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section steel
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section steel
Encyclopedia
工学
钢
释
section steel
型钢
具有确定横截面形状(或横截面形状沿长度方向有一定程度的周期性变化)且长度相对于横截面尺寸显著较大的直条钢材。
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Basel School of Design
Basel Ⅰ
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base of a cone
base of a cylinder
base of a deformation
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base of a neighborhood system
base of a number system
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