service age使用龄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Services Public Relations Office三军对外联络局Services for the Homeless People对流受热面service system of the healthcare卫生服务体系Service Life Enhancement Program增加服役期计划Service of periodical literature期刊工作serviceability carrying capacity使用承载能力service quality in sport fitness体育健身服务质量service-oriented manufacturing服务型制造service responsiveness logistics服务响应物流service system of public library公共图书馆服务体系

1. Service department managers often have a difficult time.
   服务部门的主管有时也很难办。
2. Its service master unit is CCPIT Changchun Subcouncil.
   其业务主管单位是中国国际贸易促进委员会长春市分会。