本文利用钻头不同位置不同方向的惯性矩和挠曲对其弯曲刚性进行解析。
This paper by means of different locations inertia moment of different directions and bending of the drill, analyses its bending rigidity.
水平井套管柱的挠曲变形，不仅受自重引起的横向均布载荷的影响，而且还受轴向力的影响，同时还可能有初弯曲。
The flexual deformation of casing in a horizontal hole is caused not only by the uniform transverse load from dead weight, but also by the axial load, and the existence of initial bent if any.
对由自重产生挠曲的各种织物弯曲刚度测定方法给出统一的理论分析。
A unified theory is presented to analyze some conventional methods for estimating the bending rigidity of fabrics, which described the elastic deformation of fabrics under gravity.
本文将奇异函数与拉普拉斯变换方法相结合，用这种方法来计算阶梯梁的弯曲变形，可以方便地求得梁的挠曲线方程。
The singular function is combined with Laplace 's transformation to calculate the deflection of stepwise beam. In this way the deflection equation of the beam is conveniently determined.
运用该方法在研究微悬臂梁的弯曲形变过程中，必须考虑压头在微悬臂梁上的压入以及微悬臂沿宽度方向的挠曲。
The method was described clearly. In the deflection of microbeams, the influence of the indenter tip pushing into the top of the microbeams and the curvature across its width must be considered.
运用该方法在研究微悬臂梁的弯曲形变过程中，必须考虑压头在微悬臂梁上的压入以及微悬臂沿宽度方向的挠曲。
The method was described clearly. In the deflection of microbeams, the influence of the indenter tip pushing into the top of the microbeams and the curvature across its width must be considered.
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