请输入您要查询的英文单词:

 

单词 Condenser Telephone
释义

Condenser Telephone

英语百科

Condenser telephone

The 1895 Patent diagram of the Phonopore telephonic system

The condenser telephone, also known as the Phonopore telephone system, was an invention first patented in 1892 and subsequently introduced in many countries in large numbers, whereby telephone voice communications could be made over existing Morse code telegraph infrastructure at a low installation and running cost.

随便看

 

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。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
京ICP备09058993号 更新时间:2025/8/7 14:03:33