英语词汇instantaneous safety device怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

英汉双解词典包含3607232条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。

单词	instantaneous safety device
释义	instantaneous safety device
随便看	telephone engineering telephone equipment telephone exchange telephone exchange cable telephone exchange, centrally controlled telephone exchange circuit telephone exchange office telephone exchanger telephone exchange room Telephone extension telephone extensions telephone extension set telephone firewall telephone flexible wire telephone frequency telephone frequency repeater telephone girl Telephone handset telephone hand set telephone harmonic factor telephone harmonic factor test for generator voltage telephone headset telephone head set telephone head set assembly telephone helpline