用环烷基油调配了一种防锈性能良好的低噪音轴承防锈油。
It is formulated a rust - proof oil to low noise bearings with naphthene base oil which has good rust - proof property.
噪音低：两个低噪音轴承支撑下的水泵，运转平稳，除电机微弱声响，基本无噪音。
Low noise: water pump supported by two low-noise bearings contributes to stable operation without noise basically except slight sound of motor.
随着国内外轴承市场对低噪音轴承的需求量的增加、对轴承振动与噪声分贝值越来越低的要求，使得低噪音轴承的研制工作显得日益重要。
With the increase and demand in low voice and low decibel vibration bearing in world market, the research in low noise bearing has become more and more significant.
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