在这三种阻力中，摩擦阻力是最大的。
In these three resistances, tangential resistance is the greatest.
但起动摩擦阻力较大。
它有足够的能量克服阀门和记录器的摩擦阻力。
It has enough energy to overcome the frictional resistance in valves and registers.
滚动托料球，减少板料划伤，并可减少摩擦阻力。
Rolling material support ball is set, to minimize fish tail with sheet bar and to reduce frictional resistance.
摩擦阻力计算是管内两相流动中的一个基本问题。
Flow friction calculation is one of the basic problems of two phase flow in tubes.
分析了球磨机采用滑动轴承存在摩擦阻力大的弊端。
The disadvantages of big friction resistance used by sliding are be analysed.
分析了球磨机采用滑动轴承存在摩擦阻力大的弊端。
Various shortcomings existed for the adoption of slide bearing in the ball mill was analyzed.
光滑的冰面对于物体——譬如在冰面上拖曳的冰刀——施加极小的摩擦阻力。
Smooth ice provides very little resistance against objects, like ice skates, being dragged across its surface.
预应力张拉施工中夹片、钢绞线和锚环之间存在着很大的摩擦阻力。
There is much prestressing loss for friction resistance among wedge, steel strand and anchor-ring in engineering.
摩擦阻力的变化趋势与速度类似，在产生逆向流处出现局部极小值。
The variation of local friction coefficient is similar to velocity and local minimum value occurred in reverse flow area.
论文基于近期已发表的文献，综述了摩擦阻力对金属成形参数的影响。
In this paper, the effect of friction force on metal forming parameters has been summarized based on some last research reports.
文中还分析了在摩擦阻力系数一定的情况下，流量与管径的制约关系。
The conditionality between the flow rate and the pipe diameter is discussed when the friction factor is fixed.
船舶航行阻力的一部分为粘性阻力，其中又分为形状阻力和摩擦阻力。
Part of the ship resistance is viscous resistance, which divided into form drag and friction resistance.
现有的资料及文献对O形密封圈产生摩擦阻力的理论计算方法介绍甚少。
The theoretical calculation method for the friction resistance produced by O-sealing washer is seldom expounded in existing referance materials and document.
从理论上对两个定义下的矩形管道单位长度摩擦阻力进行了分析和论证。
Friction resistance of unit length of rectangular pipeline under the two definitions was analyzed and demonstrated theoretically.
水钉的作用，使土钉体外表面与土体界面接触粘结力与摩擦阻力显著降低。
By action of water to nail, Bond between soil and nail a was obviously reduced.
通过试验证明了测定的摩擦阻力系数是可信的，拟定的计算方法是实用的。
The results show that the friction factor measured is reliable and the computation method is practical.
本文根据计算结果，研究了边界层中的微气泡对平板表面摩擦阻力的影响。
The effect of microbubbles in the boundary layer on the skin friction of the plate is presented in this paper based on the computational results.
为探索减小粘附和摩擦阻力的新方法，本文对红点锦蛇腹部鳞片进行了研究。
To find out a new method for decreasing-adhesive force and frictional resistance, this paper re- searched on the Elaphe rufodorsata s ventral scale.
光滑的冰面对于物体——譬如在冰面上拖曳的冰刀——施加极小的摩擦阻力。
Smooth ice provides very little resistance against objects, like ice skates , being dragged across its surface.
并对其合理性进行了研究，从而导出一个与时间相关联的整体摩擦阻力模型。
In addition, the reasonableness of the law was analysed and a formula of total skin friction associated with time was obtained.
计算表明作用于叶片上的粘性摩擦阻力矩的大小具有与驱动力矩相同的数量级。
The results of calculation indicate that the blade frictional torques have a magnitude equal to that of the driving torques.
根据矿岩在溜井内产生摩擦阻力的不同，矿岩对溜井底部静压力可分为3种状态。
Within the ore pass, rock & ore cause different frictional forces that can be divided into 3 type of static pressure and stress.
计算结果表明，压力高和液体流量大的体系，其摩擦阻力系数和表观粘度值均较高。
The calculation results showed that the friction factor and apparent viscosity of hydrate slurries increase with increasing pressure and flow rate.
本文计及水在高速运动时与壁面的摩擦阻力，建立了水封爆破水塞运动的物理模型。
Considering the friction of borehole wall against water moving with high speed, a physical model of water stemming movement in water blasting is set up in this paper.
结合生产实践分析了由于摩擦阻力而形成的翻板式锁气阀所固有的特性及其影响因素。
Together with the practical application of the panel turnover gas-lock valve, the factors of the inherent character with the friction effect are also given in this paper.
分别以油气、气水为工质，对立式螺旋管内气液两相流的摩擦阻力特性进行实验研究。
With oil, gas, water as working fluids, the experiment studies of frictional pressure drop characteristics of oil gas, gas water two phase flow in vertical helically coiled tubes were carried out.
若流线型物体表面的摩擦阻力系数仅为相对粗糙度的函数，则形状阻力系数与雷诺数无关。
Since if the frictional resistance coefficient is a function of relative roughness, then the form resistance coefficient is independent of the Reynolds number.
锯链的驱动张力是驱动力与切削阻力及摩擦阻力相对抗而产生的，在不同位置其大小不等。
Drive tension is caused by resistance of driving force and cutting resistance and frictional resistance and it is not the same value at different places.
摩擦阻力系数随着流速增大而增大，随着温度的升高而减小，而其随着压力的变化特别复杂。
The frictional resistance factor increases with the increase of the flow velocity, decreases with the increase of temperature and its variation law with the pressure is complicated.
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