“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	Centaurus arm Centaurus B Centaurus cluster centella Centennial 1911 Centennial Monument to the Foundation of The Chinese Geological Society Centennial Record of Chinese Language Modernization（1892—1995） centennial variation center center and focus problem center angle center-axle trailer center circle center collision center driven ball mill center drive thickener centered centered affine geometry centered affine group centered affine mapping centered affine space centered affine transformation centered coordinate system centered cubic number centered difference

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。