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The noise and vibration level is an important index for evaluation of bearing quality.
中小型球轴承噪声水平是评定轴承质量的一个重要指标。
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Inspect bearing lubrication if the oil level is in normal level.
检查轴承是否有油，滑动轴承应检查是否达到规定油位。
youdao
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Inspect bearing lubrication if the oil level is in normal level.
检查轴承是否有油，滑动轴承应检查是否达到规定油位。
youdao