tandem completing trunk的意思|示意
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串联完井管
tandem completing trunk的网络常见释义
汇接通话中继线 ... 会议电话中继线 conference trunk 汇接通话中继线 tandem completing trunk 记录通话中继线 clr trunk; recording completing trunk ...
tandem completing trunk相关短语
1、 tandem-completing trunk 转接中继线