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

单词	slow board
释义	slow board noun : a track-side marker for indicating to railroad engineers the maximum permissible speed in restricted speed zones (as on curves and bridges)
随便看	galabia galabieh galact- galact galactagogue galactan galactia galactic galactic galactic coordinate galactic equator galactic latitude galactic longitude galactic noise galactic pole galactin galactite galacto galacto- galactocele galactocentric galactogogue galactokinase galactolipid galactolipide

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