英语词汇“PSTN?Public?switched?telephone?network?”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	PSTN?Public?switched?telephone?network?
释义	PSTN?Public?switched?telephone?network? 公共电话交换网?
随便看	electric charger electric charge remained electric charges electric charge surface density electric charge time constant electric charge transport electric charge-voltage method electric charge volume density electric charging electric chart drive electric check electric check valve electricchemical electric chemical electricchemical action electricchemical analysis electricchemical constant electricchemical corrosion electric chemical corrosion electricchemical desulfuration electricchemical desulfurization electricchemical dewatering and desalting electricchemical equivalent electric chemical equivalent electricchemical fluorination