通过分析监测数据，可得围岩变形与支护结构受力特点。
Data have been studied and analyzed. Deformation of the surrounding rocks and stress of the supporting structures have been noted.
根据有限元理论及最优化理论，同时考虑结构受力特点，给出了塔架体系在可靠度约束下的最优化设计方法。
Based on finite element theory and optimization theory, considering mechanical properties of the structure, the reliability optimization design method of tower truss system is presented.
文章分析了游梁下偏平衡技术的平衡机理和结构受力特点，介绍了运用该技术对常规游梁式抽油机进行节能改造的生产实践。
The paper describes the production's practice that is applied on the working-beam with downward beam balance for conventional walking-beam pumping unit's improvement on energy saving.
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