英语词汇“signal board”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	signal board
释义	signal board noun : a board on which signals are recorded; especially : such a board with electrical connections for indicating the source of a signal : annunciator
随便看	firetail fire test firetest fire thorn firetop fire tower firetrap fire tree fire trench fire truck fire tube fire-tube boiler fire wagon fire walking fire wall firewall fire ward fire warden firewater fireweed fireweed fire wheel fire willow fire wind fire window

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