[通信] 呼叫話務(wù)員信號 call operator signal: 呼叫話務(wù)員信號operator call in signal: 話務(wù)員呼入信號call operator: 調(diào)用操作符; 調(diào)用運算符; 呼叫話務(wù)員operator call: 話務(wù)員呼叫call operator call: 函式呼叫運算子; 運算子調(diào)用操作符下載手機詞典可隨時隨地查詞查翻譯