message waiting indication造句

例句与造句

1. Private integrated services network - inter - exchange signalling protocol - message waiting indication supplementary service iso iec 15506 , modified endorsement of the english version en 301255 v1 . 2 . 1 2004 - 01 as german standard
   专用综合业务网.局间信令协议.消息等待指示补充业务
2. It's difficult to find message waiting indication in a sentence. 用message waiting indication造句挺难的