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应用SuperSAP程序对2100BL型挖掘斗杆进行了强度分析，得出不同工况下的最大应力值及危险截面位置该结果与P＆H公司发布的维修公告一致，为进一步改进结构设计提供了依据。
The strength of 2100BL digging stick was analyzed by SuperSAP program, and the maximum stress value and dangerous cross-sectional position under different working conditions were obtained. The result was in line with the maintenance announcement issued by P & H Company, which provided the basis for further improvement of structural design.