无滑动、摩擦、转动部件，可降低能量损失。
No sliding, friction, rotating components, can reduce the energy loss.
通过两个部分的摩擦力用一个部分转动另一个部分的离合器。
A clutch in which one part turns the other by the friction between them.
转动副采用纳米塑料薄层，减小摩擦系数，提高效率。
Revolving join is maddening that plastic of nanometer technique coat, in order to reduce the coefficient of friction for increased efficiency.
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。
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.
当你踩下脚制动时，摩擦片就会紧紧地压在车轮制动鼓上，使车轮停止转动。
When you press on the foot brake, friction bands push hard against the wheel drums and stop the wheels from turning.
为了减小在按钮和驱动部件相对转动时产生的摩擦力，力通过枢轴轴承(18,22)被传递。
In order to minimize the friction occurring between the push button and the driving part when relatively rotated forces are transmitted via a pivot bearing (18, 22).
讨论滑动摩擦力作功，说明了滑动摩擦力可以使刚体的平动动能和转动动能之间相互转换，但总是作负功。
It is pointed out that translational kinetic energy and rotational kinetic energy mutually transferred by sliding friction force, but it only has positive acting.
脚蹬的转动副采用纳米塑料薄层，减小了摩擦系数，提高了效率。
Revolving join is made of plastic of nanometer technique coat to reduce the coefficient of friction and increase efficiency.
转动轮可与轮毂滚动摩擦，也可与轮胎滚动摩擦。
The rotary wheel can conduct rolling friction with wheel hubs, and can also conduct rolling friction with tyres.
转动轮可与轮毂滚动摩擦，也可与轮胎滚动摩擦。
The rotary wheel can conduct rolling friction with wheel hubs, and can also conduct rolling friction with tyres.
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