screwed相关论文
螺旋咬边式钢板仓在我国属于新型结构,其受力状况复杂。用有限元法对螺旋咬边式钢板仓结构进行了有限元分析。计算结果表明钢板仓在......
Objective: The aim of this work was to assess the epidemiological factors of the pseudoarthroses of diaphyseal humeral f......