单词 | common control switching arrangement (CCSA) |
释义 | common control switching arrangement (CCSA)A dedicated switched network leased by a user to handle his communications requirements between scattered locations (including voice and data).; 一种供用户租用的专用交换网,用以处理该用户的各分散地点间的通讯(包括声音和数据)。 |
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