构造钢中参加钼，能进步机械性能。
Molybdenum in structural steel can improve mechanical properties.
下图，一名男子正在俯视塔楼里的钢网艺术构造
Right, a man looks through a steel web art structure in one of the towers
然后分析了钢桥整体节点所包含的构造细节，评价了钢桥整体节点的疲劳性能。
Than the structure details contained in integral joint are analyzed, and the fatigue property of steel bridge integral joint is evaluated.
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