speaking key的意思|示意

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speaking key相关短语

1、 combined ringing and speaking key 通话呼叫合用键

2、 order wire speaking key 传号电键,联络线讲话键

3、 combined listening and speaking key 应答呼叫两用键

4、 through speaking key 直接通话键

5、 speaking and ringing key 通话呼叫振铃键

6、 The Key To Excellent Speaking 说好英语的关键

7、 key speaking and ringing 通话振铃电键