The conventional method to determine the loading position on the hydraulic cylinder of main and auxiliary boom of weight-liftingattachment on excavator is qualitative analysis.
挖掘机工作装置上的主、副臂液压缸最大受力位置，以往是通过定性分析确定。
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The author describes the safety technological measures of the wall-attachment climbing mould method in the process of installation, lifting and high altitude demolition in chimney construction.