单词	LBTS
释义	LBTS n.磁石式电话机磁石式电话交换机
随便看	optical user network interface optical utilization factor optical validation optical valley optical variable optical variable gain tilt filter optical variable ink optical variables control optical variables measurement optical vehicle optical velocity measurements optical veneer optical vernier optical vibration optical vibrometer optical videodisc optical video disc optical videodisc player optical videodisk optical video disk optical video disk system optical video tape recorder optical video tape recorderovtr optical video transmission optical video transmitter and receiver