在舵的顶部，舵同一截面的一导流罩应安装至下舵承。
On top of rudder a dome of identical section as rudder will be fitted to house neck bearing.
古城大桥是一座下承式单承载面钢管混凝土系杆拱与变截面连续梁组合体系桥梁。
Gucheng bridge is a steel tube concrete bowstring arch and variable cross section continuous beam composite system through bridge with single load plate.
因此，在厚承台设计时应考虑承台内部的完整应力流，而不是某一平截面上的应力分布。
Therefore, it is not stress distribution in certain even section but integrate stress flow inside the cap that should be considered.
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