servicen.服务；发球；服役；公务部门；礼拜仪式；(车辆、机器等定期的)维修v.保养；维护；提供服务；支付(借款)利息service arean.(公路边上的)服务区

1. Due to their higher quality elements and improved axial clearance, the bearings display considerably lower vibration and noise for improved accuracy and increased service life.
   由于其较高的质量要素和改善轴向间隙，轴承显示相当低振动和噪声，用于提高准确度和提高使用寿命。