齿轮式无游梁长冲程抽油机为机械换向台架式滚筒抽油机。
The pumping unit described in this article consists of a frame-mounted mechanical reversing drum.
认为在一定锚固预应力作用下，梁底反力沿梁长呈二次抛物线分布，而直线及均匀分布。
It is put forward that under a definite prestressed force, the distribution discipline of the counterforce along the length of beam is quadratic parabola rather than linear or uniform one.
应用龙格库塔法解非线性方程得到了该问题的数值解，给出了截面高度随梁长的变化曲线。
The numerical results of nonlinear formula were obtained by the Runge-Kutta method, and we have also obtained the curve of the height of the example.
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