vibration angular frequency
vibration angular frequency
振动角频率
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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It is posed that angular air-hammer self-excited vibration and half frequency wobble self-excited vibration are two reasons for resulting angular wobble self-excited vibration for gas film face seals.
提出造成气膜端面密封角向摆动自振的内在机理，既有半频摆动自振又有角向气锤自振。
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