A supply of air to a combustion process that exceeds the stoichiometric requirement of oxygen. In practice, a supply of 1.2 times greater than that which is stoichiometrically required is often used to ensure a good level of combustion.
科学参考收录了60776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。