The core of rotating machinery fault diagnosis technology is signal processing.

信号处理技术是旋转机械故障诊断的核心。

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Therefore, the research on rotating machinery fault diagnosis is of great significance.

因此，对旋转机械开展故障诊断研究具有十分重要的意义。

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On the based of rotating machinery fault diagnosis model, familiar fault on gas blower are analyzed.

在旋转机械故障诊断模型的基础之上，对风机的常见故障类型作了分析。

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