英语词汇“spot 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	spot board
释义	spot board noun : a sighting board laid across the rails in advance of a railroad track-raising gang to indicate the required amount of lift
随便看	red fir red fire redfish redfish red flag red flannel hash red flannels red flour beetle redfoot red-footed booby red-footed falcon red for lake red fox red giant red ginger red gland red goatfish red goosefoot red grain beetle redgrape red grape red grass red-green blindness red groper red grouper

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