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 【铁路】闭塞系统，闭塞制
随便看	mass mediums mass meeting mass meetings mass-memory unit mass merchandiser mass merchandising mass movement mass noun mass nouns mass number Mass Numbers mass observation mass-observationist mass-observe mass-observed mass-observer mass of electron mass of manoeuvre Mass of the Presanctified Mass of the Resurrection mass operator Massora, Massorah Massorete massoretes Massoretic, Massoretical

英汉双解词典包含483723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。