• Application method: After washing face, use rolling ball to rub on pimples to let the effective ingredients penetrate successfully for the perfect effect.

    使用方法洁面后,直接滚珠暗疮部位轻轻涂抹使有效成份顺利渗透,达到最佳效果

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  • A method for extracting the features of rub and impact in rotor systems supported on squeezed film dampers is studied in this paper.

    本文研究了支承挤压油阻尼器上转子系统磨故障特征提取方法

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  • Based on the specific diagnostic cases of impact-rub fault, the limitation of classical linear method and the advantage of multidimensional method are analyzed by comparison.

    通过具体故障诊断实例对比分析了经典线性方法局限多尺度非线性方法优势

    youdao

  • Based on the specific diagnostic cases of impact-rub fault, the limitation of classical linear method and the advantage of multidimensional method are analyzed by comparison.

    通过具体故障诊断实例对比分析了经典线性方法局限多尺度非线性方法优势

    youdao

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