介绍了某矿井主通风机运行时的异常振动现象。

The abnormal vibration of main fan operation in a certain mine is introduced.

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摘要：主蒸汽管道振动严重影响机组运行安全。

Vibration of main steam pipe seriously affect the unit's running security.

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摘要：主蒸汽管道振动严重影响机组运行安全。

Vibration of main steam pipe seriously affect the unit's running security.

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