英语词汇“manual block signal system”的中英文释义、用法、翻译及短语词组-英汉翻译词典

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	protohaem protohaematin proto-haematin protohaemin protohaemin IX protohaemins protohalo protohaloes proto-haloid protohalos protohelius issikii protohellenic protohematin protoheme protoheme ferro lyase protoheme ferro-lyase protoheme ferrolyase protoheme-ferrolyase Protoheme IX protohemes protohemin Protohemin IX protohemins Protohemiptera protohermes costalis

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