Right? There is no friction, there are no nonconservative forces, so this has got to work.
对吗？没有摩擦力，没有非保守力，所以这个式子成立。
If faults opened up, no earthquake would occur because there would be no friction to lock them together.
如果断层裂开，也不会发生地震，因为没有摩擦力把它们合到一起。
With the pressure released, there is no friction at work in the clutch, and the power flow is therefore interrupted.
随着压力的减小，离合器工作状态下的摩擦力消失，动力被切断。
There is no spring pressure on the clutch assembly parts. So there is no friction between the driving members and driven members.
离合器主动件、从动件上没有弹簧作用力，因此主动件和从动件之间也没有摩擦力。
Swirl pump is compact, light weighted and no speed-adjusting device needed, no friction except bearer, low noise, no water and no oil in the output air.
旋涡气泵结构紧凑，体积小，重量轻，不需变速装置，除轴承外其它部位没有直接接触磨擦，噪音低，送出的气源无水无油。
It is termed backward because of the opposite direction of the flow of the metal to that of ram movement. Thus, the billet in the container remains stationary and hence no friction.
这个过程被称作反向挤压就是因为金属的流动方向与推杆的移动方向相反。
It is termed backward because of the opposite direction of the flow of the metal to that of ram movement. Thus, the billet in the container remains stationary and hence no friction.
这个过程被称作反向挤压就是因为金属的流动方向与推杆的移动方向相反。
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