英语词汇“vacant-number signal”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	vacant-number signal
释义	vacant-number signal 空号信号
随便看	coat suit coat surface coatsusceptor coat susceptor Coatsville coat sweater coatsworth Coatsworth Coat syndrome coat system coats病 Coats视网膜炎 coattail coat tail coat-tail Coattail catastrophe coat-tailed coat-tail effect coat-tailing Coattail Investing coattails coat tails coat-tails coattails effect coattails effects