sparelyadv.缺乏著；节俭著；瘦瘦地spareadj.备用的；多余的；闲置的v.抽出；饶恕；赦免；节约n.备用品；剩余spare parts of military transportation军运备品spare power source automatic switching备自投Spares Accounting Replenishment System备件统计补充系统spares supportability allocation model备件保障性的分配模型spare normally closed auxiliary contact备用常闭的辅助触点spares supportability integration model备件保障性的综合模型Spares Management Analysis Review Technique备件管理分析回顾技术spare parts involving equipment criticality设备关键性备件spare time fitness-oriented exercises situation业余健身情况