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针对塔式起重机附着架随工程情况变化的特点 ,应用计算机辅助设计系统 (CAD)对附着杆、附着物和固结点进行受力分析、计算和工作图设计
Aiming at the characteristics of the tower cradle attachment frame changing with engineering conditions, the force analysis, calculation and working diagram design of attachment rods, attachments and fixing points are carried out by using computer aided design system (CAD)