以下为句子列表：
英文: This paper analyzes forces in loader shovel during shovel's fetching material from a stockpile and forces in operation mechanism components, and builds force and torque matrix equations.
中文: 摘要在对料堆中铲斗铲取过程进行受力分析的基础上，对装载机工作装置各构件进行了受力分析，建立了力及力矩平衡的矩阵方程。
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