让轴承失效通常的因素有冲击、振动以及过度的径向和轴向的负载。
Common causes of bearing failure are shock, vibration, and excessive radial and axial loads.
影响液压系统冲击、振动的因素很多，如泵的结构、阀的参数及负载情况和整个系统管路设计的合理性、工作条件等。
There are many factors that influence impact and vibration in hydraulic systems, such as pump structure, valve parameters, load, pipe design and operation conditions.
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