流体流经管道时，由于管道表面的摩擦力而产生力头损失。
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。
The pressure head of the liquid will decrease due to the friction on the surface of pipes when it flows through the pipes.
磨损失效系指表面之间的相对滑动摩擦导致其工作表面金属不断磨损而产生的失效。
Wear failure refers to the relative sliding friction between the surfaces causes the surface of the metal continue to wear their work arising from the failure.
等离子体整理后纤维表面产生微小的细纹和凹坑，使纤维之间的摩擦力增加，减小织物的强力损失。
After the plasma finishing, the fabric surface had fine lines and pits, and the friction between the fibers was increased, which could effectively improve the fabric strength losses.
用摩擦学的观点分析了冷拔顶头磨损失效过程，提出了冷拔顶头表面强化措施。
Based on analysis of the process of pipe cold-drawing plug's wear-caused failure with the Dointview of friction science, measures for surface strengthening of the said plug were made.
流体流经管道时，由于管道表面的摩擦力而产生力头损失。
While flowing through a pipe, the fluid is subjected to the loss of head due to the friction of the inner surface of the pipe against it.
流体流经管道时，由于管道表面的摩擦力而产生力头损失。
While flowing through a pipe, the fluid is subjected to the loss of head due to the friction of the inner surface of the pipe against it.
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