英语词汇“on-call circuit”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	on-call circuit
释义	on-call circuit on-call circuit [′ȯn ′kȯl ‚sər·kət] (communications) A permanently designated circuit that is activated only upon request of the user; this type of circuit is usually provided when a full-period circuit cannot be justified and the duration of use cannot be anticipated; during unactivated periods, the communications facilities required for the circuit are available for other requirements.
随便看	esophageal stenosis, esophageal stricture esophageal stent esophageal stethoscope esophageal stricture esophageal teeth esophageal tonsil esophageal tracheal airway esophageal tracheal airway device esophageal tracheal combitube esophageal tube esophageal ulcer esophageal variceal ligation esophageal variceal pressure esophageal varices esophageal varix esophageal vein esophageal veins esophageal voice esophageal web esophageal webs esophagean esophagectasia esophagectasis esophagectomy esophagi

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