“信号机”怎么读

“信号机”的英语可以翻译为：annunciator，semaphore，teleseme ...

信号机是红色时,火车必须停驶.The train must stop when the signal's red.本文还详细地介绍了一套智能交通信号机系统的整体设计.The paper also introduces detail a set of whole design Intelligent Traffic Signal System.随着科学技术的发展,信号机及其检测技术也在不断发展.The signal machin...