“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	finitely generated A-algebra finitely generated Abelian group finitely generated algebra finitely generated cone finitely generated extension finitely generated field finitely generated group finitely generated ideal finitely generated module finitely generated module over a principal ideal domain finitely generated object finitely generated R algebra finitely generated R-algebra finitely generated ring finitely generated semigroup finitely isomorphic transformation finitely many finitely many elements finitely nonzero function finitely presentable finitely presented finitely presented A-algebra finitely presented group finitely presented module finitely ramified fractal

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。