英语词汇manual block signal system的读音、用法、中文释义、短语词组及例句-英汉双解词典

单词	manual block signal system
释义	manual block signal system 英?[?m?nju?l bl?k ?siɡn?l ?sist?m] 美?[?m?nju?l blɑk ?s?ɡn?l ?s?st?m] 释义人工闭塞信号系统
随便看	waldmen Wald-Michelbach Waldmohr Waldmnchen waldner waldners Waldo Waldoboro Waldock waldocks Waldo County waldoes wald oil Waldo L. Waldon Waldon, R. Waldo, Peter Waldorf waldorf astoria waldorfastoria Waldorf-Astoria Waldorf-Astoria, the Waldorf College Waldorfian Waldorfs

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