英语词汇block system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

单词	block system
释义	block systemn.（名词） A system for controlling and safeguarding the flow of railway trains in which track is divided into blocks, each controlled by automatic signals.闭塞系统：用于控制和保障火车安全行驶的系统，它每一路段的轨道上都由自动信号控制
随便看	expanse expanse expansed expanses expansible expansile expansing expansion expansionary expansion board expansion bolt expansion card expansionism expansionisms expansions expansion slot expansive ex parte expat expatiate expatiated expatiates expatiating expatriate expatriated

英汉双解词典包含166908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。