“track shifter”的概念、定义、翻译、参考文献-科学参考

单词	track shifter
释义	track shifter [`trak ´shif·tǝr] ^ENGINEERING A machine or appliance used to shift a railway track laterally.
随便看	laser radar laser radiation detector laser rangefinder laser ranging laser recorder laserscope laser scriber laser seismometer laser-solid interaction laser spectroscopy laser spectrum laser threshold laser tracking laser transit laser trap laser-triggered switch laser tweezers laser velocimeter laser welding lashing lashing chain lash-up lasing Lasiocampidae Laspeyre's index

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