“ventilation shaft”的概念、定义、翻译、参考文献-科学参考

单词	ventilation shaft
释义	ventilation 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	mass resolution mass scattering mass scattering coefficient mass segregation mass segregation of galaxy cluster mass selection mass selectionof aquatic species mass sensitive detector mass sensitivity mass separator mass service system mass service system with delay mass service system with rejection mass shell mass-shell condition mass-shell subtraction scheme mass social theory mass society mass society theory mass song mass spectra mass spectrograph mass spectrograph, mass spectrometer mass spectrometer mass-spectrometer

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