英语词汇“fixed signal”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	fixed signal
释义	fixed signal noun : a signal of fixed location used to indicate a condition affecting the movement of a train or engine
随便看	backfall back-fanged back-feed back-fence backfield backfield back file backfill backfilled backfiller back fillet back-filleted backfilling backfire backfiring backfisch backflap backflash backflip backflow back focus back-formation back forty backfriend back-front

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