The steel plate on top of it is the cross slide ways.
在它的顶部钢板是交叉幻灯片的方法。
Gucheng bridge is a steel tube concrete bowstring arch and variable cross section continuous beam composite system through bridge with single load plate.
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。
A low carbon martensitic spring steel has been developed to meet the requirements of variable-cross-section plate spring for trucks.
为适应变截面汽车板簧用材所需，研制了一种低碳马氏体型弹簧钢。
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