... 中心密封式蝶阀 central seal type butterfly 中心磨损严重 bit center cored out 中心排放 central drainage ...
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本文指出螺旋弹簧有偏离中心的弹性作用，是引起车辆不正常振动和摇枕纵向挡严重磨损的一个重要因素。
This paper sets forth the fact that the eccentric action of coil spring is an important factor in the causation of abnormal vibration of vehicle and severe wear on bolster guide.
着重分析了屏蔽套损坏和中心支承推力轴承过度磨损等严重事故。
Stress have been paid on analysing some serious accidents for the can damages and over-wear of thrust bearings with centrally pivoted pads etc.
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