“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	multistrip coupler multisync monitor multisystem coupling multisystem network multitape Turing machine multitask operation multithreading multitrack operation multitrack recording system Multituberculata multituberculate multiturn potentiometer multiunit tube multiuser system multivalent multivariable system multivariate analysis multivator multivibrator multivolume file multiway merge multiwell gas-lift system aerography aerohydrous mineral aerolite

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