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1·While fluids flow through a pipe, dynamics loses because of the surface friction of pipe.

流体流经管道时，由于管道表面的摩擦力而产生力头损失。

2·Low coefficient of surface friction, besides properties of general modified polyes enameled round copper wire.

除具有普通的改性聚酯漆包线的特性外，还具有较小的表面摩擦系数的性能。

3·The ceramic pushing plate has high reliability, long service life, and energy-saving effect because of the low surface friction coefficient and small rotational resistance.

陶瓷推力盘具有可靠性高使用寿命命长的特点，由于其表面摩擦系数低，转动阻力小，因而还具有节能效果。

4·Properly formulated plating solutions containing the right size particles dispersed in a suitable medium provide low coefficient of surface friction with outstanding wear resistance.

适当配比的镀液，加入拉径正确而又分散于适宜介质内的微粒，可提供表面摩擦系数低、耐磨性优异的镀层。

5·The working principle of the developed micro-tribological test apparatus was described and the detailed experiments were done with the apparatus for the surface friction of Cu and al.

详细介绍了测试仪的工作原理，并利用该仪器对铝和铜的表面进行了测试。

6·When a raindrop falls on the solar panel and then rolls down, it creates friction on the surface of the panel, which can then be turned into electricity.

雨滴落在太阳能电池板上，然后滚落下来，此时它与电池板表面产生摩擦力，这种摩擦力可以转化为电能。

7·The general low level of friction on ice allows a skater to glide along the surface smoothly without friction stopping the motion as soon as it's begun.

冰面上摩擦力通常较低，这使得滑冰选手一俟启动，就能不受摩擦力牵绊，顺畅滑翔冰面。

8·If indeed the friction coefficient is independent of surface area, then when I tilt them they should start to slide roughly at the same Angle.

若摩擦系数真的，与接触面积没有关系，那么两者下滑时的角度，应该基本相当。

9·The more rough and jagged something is, the more easily more of its molecules will come into contact with molecules on the surface it touches, and thus the greater force of friction they will exert.

物体表面越粗糙不平，它的分子就越容易更多地与接触表面的分子相粘合，因此就会产生更大的摩擦力。

10·The double moved cylinder pretreating-machine clears away the nonidentical substance adhering to the surface of lump-shaped objects via centrifugal rolling friction collision.

双动滚笼式螺旋预处理机是通过对块状物体的离心滚动摩擦碰撞，清除其表面的非同质附着物。