1.
APPLICATION OF SPALDING FORMULA IN WALL FRICTION STRESS MEASUREMENT ON RIBLET SURFACE
Spalding公式在脊状表面湍壁摩擦力测量中的应用
2.
Product character： Good flow, film smooth, excellent adhesion, reduce the coefficient of rub and cut down the obstruction of transportation.
作用同时可有效降低管道内壁摩擦系数，减少输送阻力。
3.
The relationship of the initial gas and particle velocity ratio and suspended velocity, friction coefficient is analyzed.
分析了初始气固速度比与悬浮速度、壁摩擦损失系数的关系。
4.
cylinder wall drag
活塞环与缸壁的摩擦阻力
5.
If the wall is frictionless, ??is horizontal.
如果墙壁无摩擦，?痪臀0水平方向。
6.
Effect of blowing and suction on friction drag of wall turbulent boundary layer
吹吸扰动对壁湍流边界层摩擦阻力的影响
7.
"There are three classes offriction: dry, greasy, and viscous. "
有三种摩擦状态:干摩擦、滑动摩擦和粘性摩擦。
8.
pertaining to or worked or produced by friction.
关于摩擦或摩擦力，由摩擦或摩擦力产生。
9.
To warm by rubbing, as with the hands.
摩擦生热摩擦以生热，尤指用手摩擦
10.
They rub the paper with a pencil so the name on the wall appears on the paper.
然后用铅笔摩擦纸，这样，墙壁上的名字就会拓在纸上。
11.
Elementary Study on Wall Skin Friction Reduction of Symmetrical Body by Microbubbles in Boundary Layer of Fluid;
利用流体边界层微气泡降低轴对称体壁面摩擦阻力的基础研究
12.
Elementary Study of Wall Skin Friction Reduction by Microbubbles in Boundary Layer of Fluid;
利用流体边界层微气泡降低壁面摩擦阻力的基础研究
13.
To become worn or sore from rubbing.
擦伤，擦疼因摩擦而磨损或擦疼
14.
Evaluation of Friction Performance and Friction Mechanism of Semi-Metallic Friction Materials;
半金属摩擦材料摩擦性能评价和摩擦机理研究
15.
Effect of Friction Speed on Friction and Wear Performance of Cu-matrix Friction Materials
摩擦速度对铜基摩擦材料摩擦磨损性能影响
16.
To make smooth or glossy by or as if by rubbing; polish.
擦亮通过摩擦或像通过摩擦使光滑或发亮；擦亮
17.
internal friction angle
(土壤) 内摩擦角
18.
driven friction ring
被动[从动]摩擦圈