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1·Meanwhile, no rust spots are on friction surface.

同时，联接面也不会出现锈点。

2·Is mainly the axle axis and the bearing bush sliding friction surface wears, becomes rough, creates the bearing oil leak.

密炼机的主要是轴子轴与轴承衬的滑动摩擦表面磨损，变得粗糙，造成轴承漏油。

3·To determine the anti-slip coefficient of the high-strength bolt which connects components of friction surface, it is screwed and determined by torsion and tensile testing machines respectively.

大六角头高强度螺栓连接副扭矩系数的检测，扭剪型高强度螺栓连接副坚固预拉力的检测，高强度螺栓连接磨擦面抗滑移系数的检测，是钢结构材料验收中的重要测量。

4·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。

5·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。

6·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。

7·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。

8·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。

9·This surface has extreme hardness (60 RC. ), excellent wear and corrosion resistance, and low coefficient of friction.

这表面有极高的硬度（60局。），耐磨性和耐腐蚀性，低摩擦系数。

10·The force which must be overcome to keep one surface moving over another in known as sliding friction.

而保证一个平面沿着另一个平面相对移动的力称为滑动摩擦力。