“通风井”的概念、定义、翻译、参考文献-科学参考

单词	通风井
释义	通风井 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	sum of powers conjecture sum of prime factors sum of products sum of random many of random variables sum of sequences sum of series sum of sets sum of square deviations sum of squares sum of squares between classes sum of squares for partial regression sum of squares function sum of squares of residues sum of squares within classes sum of submodules sum of subspaces sum of the digits sum of vectors sum operator sum over state sum over states sump sump level control for hydrocyclone feeding process sum-product number sumption

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