gear transmissions system 齿轮传动
planetary gear transmissions 行星传动
asteroid gear transmissions 星形齿轮传动
Designs o? The closed soft surface gear transmissions are generally restricted by the contact fatigue strength.
闭式软齿面齿轮传动设计中，常受齿面接触疲劳强度的限制。
In this paper the influence of the damped ring on the gear transmissions vibration and noise was studied by analyzing the mechanics characteristic of the damped material.
通过对阻尼材料的力学特性的分析，探讨了阻尼环对齿轮传动振动噪声的影响。
Planetary gear systems are also used in many automatic transmissions.
行星齿轮组也同样用于许多汽车变速器中。
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