Revolving join is maddening that plastic of nanometer technique coat, in order to reduce the coefficient of friction for increased efficiency.
转动副采用纳米塑料薄层，减小摩擦系数，提高效率。
The efficiency of a real system is always less than 1 because of friction between moving parts.
由于运动部件之间存在摩擦力，所以实际系统的效率永远小于1。
This article discusses the effects of friction coefficient fon the engagement efficiency of involute cylindrical gears and the bending stress of the dedendum.
本文讨论了摩擦系数对渐开线圆柱齿轮传动啮合效率和齿根弯曲应力的影响。
No movement mechanism friction wear, the mechanical efficiency high, this is type compressor vortex than other air compressor greatly energy saving main reason.
无运动机构的磨擦磨损，机械效率高，这是涡旋式压缩机比其它空气压缩机大大节能的主要原因。
The factors that influence the whole efficiency of ventilating system adopting adjustment to variable air mass flow and friction were investigated.
对采用变流量、变阻力调节式通风系统整体效率的影响因素进行了探讨。
Utilizing interfacial chemical reaction membrane between grinding fluid and Si_3N_4 ceramics can reduce friction coefficients, soften surface layers and improve grinding efficiency.
利用磨削液界面化学反应膜降低摩擦系数同时软化表面层，提高磨削效率是一个全新的研究方向。
Revolving join is made of plastic of nanometer technique coat to reduce the coefficient of friction and increase efficiency.
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。
The results indicate that the lead laurate have an excellent anti wear property, high friction reducing efficiency and extreme pressure property.
结果表明：月桂酸铅具有良好的抗磨性能、一定的减摩性能和中等的极压性能。
How maximum limit reduces the friction coefficient with to enhance the energy efficiency?
如何最大限度地减少摩擦系数与提高能量效率？
Thee efficiency of the machine is higher because there is less friction.
由于摩擦力较小，这台机器的效率更高了。
Thee efficiency of the machine is higher because there is less friction.
由于摩擦力较小，这台机器的效率更高了。
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