研究了不同的预应力锚固结构作用下，在不同弹性模量的破碎岩质边坡中产生的压缩变形和附加应力变化规律。
The slope surface compression deformation and subsidiary stresses change rules with different elastic modulus of crush rock slope under different prestressed anchorage structures were investigated.
对筒型压缩机的圆柱形出风管焊接坡口加工工艺进行了探讨，提出了解决该问题的有效方法。
Research is carried out on weld groove machining technology of cylindrical duct outlet for barrel compressor, the effective method of solving the problem is put forward.
应力场模拟结果显示，清根坡口附近为拉伸残余应力，向板边过渡为压缩残余应力。
The simulation results of stress field show that it is tensile residual stress around the groove, and compressive residual stress with transition to plate edge.
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