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	septicaemia septicaemic septicemia septicemias septicidal septic shock septic sore throat septic tank septifragal septilateral septillion septillions septillionth septm̥ septs septuagenarian septuagenarians Septuagesima Septuagint septum septum pellucidum septums septuple septupled septuples

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