英语词汇“圆环线”的翻译、意思、用法、释义-英汉汉英词典

单词	圆环线
释义	双向☞圆环线--环抱线双向☞环抱线--圆环线
随便看	telephone switching telephone switching center telephone switching equipment telephone switching system telephone system telephone system intertoll trunk telephone tag telephone tapping telephone telegram telephone test telephone theory telephone time service telephone timing unit telephone token telephone toll call telephone traffic telephone transmission telephone transmitter telephone trunk telephone trunk zone telephone type network telephone-type relay telephone user part telephone vote telephone vote service