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Terms for subject Telecommunications containing Customer Service | all forms | exact matches only | in specified order only
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business customer service商业用户业务
customer calling service用户新功能指程控交换机的用户新功能,如呼叫等待,呼叫转移,...
customer calling service呼叫新业务
customer service circuit客户[用户]电路
customer service unit客户用户服务单元原指 AT&T 的 DDS 终端