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di he jin gao qiang du gang jia gong han jie gong yi tan tao
Author(s): 
Pages: 16-22
Year: Issue:  9
Journal: Construction Machinery

Keyword:  低合金高强度钢焊接坡口焊接性能等离子切割轮式起重机等离子电弧切割热影响区加速冷却碳当量冷却速度;
Abstract: <正> 近年来国内外在轮式起重机上特别重视钢结构的研究,力图在保证强度、刚度和可靠性的前提下,最大限度地减轻自重。减轻自重的途径是多方面的,比如运用先进的设计原理和计算方法开展优化设计,采用新的结构形式使材料得到充分利用。
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