首先，对硬盘驱动器的结构和工作原理进行分析，揭示了硬盘振动失效的主要形式和原因。
Firstly, the structure and operation principle of the HDD are analyzed, and obtained general forms and reasons of HDD's operation failure under vibration circumstance.
轧机用四列圆柱滚子轴承的主要失效形式及原因是滚道表面疲劳剥落、裂纹和保持架的过早损坏。
The main failure types of four row cylindrical roller bearings, used in rolling mills, are: fatigue flakings, cracks on the raceway surfaces, and the premature damage of cages.
轧机用四列圆柱滚子轴承的主要失效形式及原因是滚道表面疲劳剥落、裂纹和保持架的过早损坏。
The main failure types of four row cylindrical roller bearings, used in rolling mills, are: fatigue flakings, cracks on the raceway surfaces, and the premature damage of cages.
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