steel for building bridge
桥梁钢(steel for building bridge)0的冷弯试验必须完好。还规定要做断口检验，断口的组织应均匀，不得有肉眼可见的缩孔残余、气泡、夹杂、贯穿断口的裂纹和两条.
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steel for building bridge
桥梁用钢材
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Welding for the vehicle, building, ship and bridge which using shipping steel and high intensity of 500mpa, and also can used in sheet, pipe of high speed welding.
级高强钢的车辆、建筑、造船、桥梁等结构的焊接，也可用于薄板、管的高速焊接。
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