“after-sales and maintenance services”的概念、定义、翻译、参考文献-科学参考

单词	after-sales and maintenance services
释义	after-sales and maintenance services Encyclopedia 理学生产性服务释 after-sales and maintenance services售后与维修服务在商品出售以后所提供的各种服务活动和维修活动。
随便看	navigation engine navigation epidemiology navigation facility of fishing port navigation for the blind person Navigation Guarantee Center Navigation, guidance and control navigation information fusion navigation management in ancient China navigation mark navigation message navigation mission processing machine navigation notice navigation obstruction navigation occupational health and protection navigation of aerial photography navigation pod navigation-power hydrojunction navigation problem navigation pseudo-satellite navigation ratio navigation satellite navigation satellite operation control navigation signal anti-jamming navigation signal measuring and processing navigation signal multipath mitigation

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