“air shaft”的概念、定义、翻译、参考文献-科学参考

单词	air shaft
释义	air shaft Encyclopedia 工学竖井释 ventilation shaft；air shaft通风井用于地下矿山新鲜风流进入井下或污风排出的井筒。保证将足够数量的新鲜空气连续供给井下各采掘作业面，并将污浊空气从矿井中排出，防止矿井内大气污染，创造安全舒适的井下作业环境。简称风井。
随便看	method for solving"hundred fowls"problem method for solving simultaneous equations method for sorting according to the name of the records methodic methodical methodical bias methodical error method in all combinations Method in Social Anthropology Methodist Church Methodist Church English Methodist Episcopal Church Methodist Episcopal Church South Methodist Publishing House method of 18F-fluorination method of adjustment method of alternating directions method of analogue method of angle observation in all combination method of approximation method of arithmetic means method of artificial viscosity method of ascending indices method of ascent method of averaging

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