补充业务的英文单词
“补充业务”对应的英文单词有：supplementary service ，一共1个，具体意思及用法如下：
supplementary service补充业务
与补充业务相关的短语
线路检测补充业务Line Hunting supplementary service
呼叫等待补充业务call waiting
多方通话补充业务MPTY Multi Party Service
补充业务实体Supplementary Services
补充业务话单Supplementary service actions
线路识别补充业务Line Identification Supplementary Services
补充业务询问supplementary service interrogation
补充业务控制字符串Supplementary Service Control string
化补充业务数据unstructured supplementary services data