当弹簧在未拉伸状态时，将弹簧的端部固定在框架横 杆上。
The ends of the spring are affixed to the frame rails while the springs are in an un- stretched state.
高压交流电机定子绕组端部固定存在薄弱环节，会引起绕组端部电击穿。
The stator end-winding support of HV AC motor exists weakness leading to electric break-down.
建立操作简单、判断快速、准确、清晰的固有频率软件分析系统，以适应大型发电机端部固定改造维修后的检测要求。
A natural frequency software analysis system of simple operation, fast judgement, exactness and clearness is set up as to meet the needs of generator-end fixed improvement and service.
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