“steel sets”的概念、定义、翻译、参考文献-科学参考

单词	steel sets
释义	steel sets [`stēl `sets] ^{MINING ENGINEERING} Steel beam used in main entries of coal mines and in shafts of metal mines; I beams for caps and H beams for posts or wall plates.
随便看	vocal cord vocal fold vocal sac Vochysiaceae vocoder vodas voder vodka vogad Vogel-Colson-Russell effect vogesite Voges-Proskauer test voglite Vogt-Russell theorem voice call sign voice channel voice coder voice coil voice/data system voice digitization voice frequency voice-frequency carrier telegraphy voice-frequency dialing voice-frequency telegraph system voice-grade channel

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