Results show that, wave of the pressure, the film thickness and the fractional film contents in the roller contact area can be caused by the oil-supply oscillation.

结果表明：供油油膜的波动导致滚子副接触区相应的压力、膜厚及部分油膜比例分布中也出现波动；

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A roller ultrasonic probe was designed in the subject, and it sends ultrasonic wave to detect the pipe wall's thickness.

研究过程中设计的超声波轮式探头，发出超声波信号测量管道壁厚。

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Through analysis and inference, the writer finds out the feature equation of roller turn vibration yarn faults, and researches its wave spectrum, curve, fabric appearance characteristics.

本文通过分析推导，找出了罗拉扭振纱疵的特征方程，并就其波谱图、曲线图、布面外观特征进行了研究。

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