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 system noun a system of railway signalling which divides the track into sections and allows no train to enter a section that is not completely clear 铁路闭塞信号系统（将铁路分成数个路段, 使任何列车不得通过非绝对畅通路段的信号系统）。
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英汉双解词典包含131075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。