[telegraphwire]telegraphwires

托马斯·阿尔瓦·爱迪生1847年2月11日1931年10月18日，出生于美国俄亥俄州米兰镇，美国发明家企业家Thomas Alva Edison February 11， 1847 October 18， 1931， was born in Milan， Ohio， USA， an。

Alexander Graham Bell in 1876 transmitted the human voice over a wire， although it was several decades before the telephone became popular At the end of the century the wireless telegraph became a standard safety device。

那个whose是railroads的从句，whose routes指railroads#39 route，后面就是个倒装，语序一变就是the wires often followed railroads#39 route宾语often大致等同于sometimes所以得到推断的那个意思。

The Menlo Park research lab was made possible by the sale of the quadruplex telegraph that Edison invented in 1874， which could send four simultaneous telegraph signals over the same wire When Edison asked Western Union。

连接线 您要查找的是不是Connect wire to pressure differential switch连线至差速压力开关A farmer is climbing a telegraph pole to connect wires宁夏同心暮色中，一个农民汉子爬上电线杆接驳电线These here are。

电线杆的解释wire poletelegraph pole 架设电线用的杆子 词语分解 电的解释 电 电 à 物理学现象，可通过化学的或物理的方法获得的一种能，用以使灯发光机械转动等电力电能电热电台 阴雨天，空中。