“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	dynamic of liquid-filled systems dynamic optimization dynamic panel data regression dynamic password dynamic penetration test dynamic performance analysis dynamic photo elastic blasting model test dynamic photo-elastic imaging dynamic photoelasticity dynamic photo-elastic method dynamic pipeline dynamic plasticity dynamicpositioning system dynamic positioning vessel dynamic power consumption dynamic pressure metrology technique dynamic pressure reference instrument dynamic priority algorithm dynamic priority scheduling dynamic problem dynamic process dynamic process model of organizational identity dynamic programming dynamic programming algorithm dynamic programming equation

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