synchrosteelectric telegraph synchrostep electric telegraph
Related Translations:
钟: Ⅰ名词1.(用铜或铁制成的响器) bell 短语和例子晨钟暮鼓 matin bells and vesper drums2.(计时器) clock 短语和例子石英晶体钟 quartz clock3.(指钟点、时间) time 短语和例子八点钟 eight o'clock; 休息十分钟 have a break for ten minutes4.(没有把儿的杯子) handl