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- Calculation of back dragging force of horizontal directional drilling machine 应用水平定向钻安装管道时回拖拉力的计算方法
- back dragging force 回拖拉力
- Limits the maximum strength of the drag force. 限制拖动的最大强度。
- The drag force decreases as the air density decreases. 当空气密度减小时阻力也减
- Second is article is retarded by the drag force cased by this motion. 一是微粒受到因微粒和流体介质间密度不同而产生的浮力作用；
- MAIN OUTCOME MEASURES: Ratio of dragging force and nerve root retractor force;SSEP P1 latency. 主要观察指标：牵拉力与神经根牵拉比率、体感诱发电位P1波潜伏期的关系。
- CONCLUSION: Traction ratio of nerve root is increased with dragging force, so is latency of SSEP P1 wave. 结论：牵拉力越大，神经根牵拉比率越高，体感诱发电位潜伏期越长。
- An airfoil produces a lifting force that acts at right angles to the airstream and a dragging force that acts in the same direction as the airstream. 翼型产生升力的方向与气流成直角，阻力方向与气流方向相同。
- Deflective displacement of a mining pipe under the dragging force of the vessel and the combining effects of winds, waves, and currents were discussed. 深海采矿系统中,扬矿管受采矿船的航行速度及海浪、海流等因素的影响会发生横向偏移的问题。
- Having derived the fundamental drag force formula, one can derive a number of important parameters. 在导出阻力的基本公式后，就可以得出一系列重要的参数。
- Due to the dragging force,trajectories of spacecraft circling planetoid can departure from the standard taper curve orbit which is obtained by the two-body hypothesis. 绕小行星运行的航天器由于受到摄动力的影响,运行轨迹会偏离二体假设下的圆锥曲线轨道。
- Others posited that dark matter was the culprit: it might exert a gravitational or drag force. 另有些人则断定暗物质才是惹祸的元凶：它可能会对太空船施加重力或阻力。
- Due to the dragging force, trajectories of spacecraft circling planetoid can departure from the standard taper curve orbit which is obtained by the two-body hypothesis. 摘要绕小行星运行的航天器由于受到摄动力的影响，运行轨迹会偏离二体假设下的圆锥曲线轨道。
- A new criterium based on the ratio of local spray dragging force to local smoke buoyancy was proposed to analyze the stability of smoke under sprinkler spray. 对水喷淋作用时液滴与烟气层的相互作用过程进行分析,采用单位体积液滴拖曳力与烟气浮力的比值作为参数,建立了水喷淋作用时烟气层稳定性的判断方法。
- The compressed air powered wrench is capable of providing revert-torque to retrievable bolt end and sustain drag force. 该锚杆回收扳手由压气驱动,在给可回收锚杆的尾部提供反扭矩的同时,还可以承受拉力。
- Rose bushes shoot again after being cut back. 玫瑰丛修剪後还能再长出新枝。
- The difference between the drag force is compared and corrected with the distance between the porous flocs and the solid spheres. 比较污泥胶羽与实心粒子之差异，瞭解其间距离与受力关联。
- The drag force ranged 0.01-0.06dynes over Reynolds number of 11-27.These results could be used as the benchmark for floc model development. 在雷诺数11-27间受力范围为0.;01-0
- A formula for calculating the minimum underbalance in lower permeability reservoir is obtained by applying a drag force function to testing data. 通过将拖曳力函数用于油田测试数据，提出了确定低渗透地层最小测试压差的公式和方法。
- He trudge three hour in the snow to get back home. 他在雪中跋涉三个钟点才回到家。
