“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	left-behind children left-behind elderly left-behind family left-behind wife left bimodule left brachiocephalic vein left bundle-branch block left cancellable element left cancellation left cancellation law left cancellative groupoid left cancellative semigroup left censored data left-censored data left chain ring left closed object left cofinality left cofinal set left coherent ring left comaximal elements left commom iliac vein left commutator left comodule left companion left compatibility

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