tertiary air

基本解释

When the state banned the use of methyl tertiary butyl ether (MTBE) as a fuel additive after 2003, everyone had to use ethanol instead to meet clean-air standards;
当州政府禁止2003年后使用甲基叔丁基醚（methyl tertiary butyl ether）作为燃料添加剂后，人人都必须使用乙醇以满足清洁空气的标准；
Ultrafine pulverized-coal contained in the tertiary air was used as the reburning fuel and the oxygen level of the tertiary air was reduced with the use of flue gas recirculation(FGR).
本文在注蒸汽联合循环和余热锅炉型联合循环的基础上提出了采用烟气再循环和燃烧室回注水的燃气轮机循环，并对其进行了分析和优化。
Using rotary-classifier, micro-pulverized coal in tertiary air is collected to gain the reburning fuel, at the same time diminish the influence of tertiary air on power plant operation.
采用离心式旋转煤粉浓缩器对三次风中的超细煤粉进行浓缩，弱化了三次风对机组运行的不良影响，同时解决了超细煤粉的来源问题，为再燃技术的实施奠定了基础。

To Texas litigator Scott Summy, methyl tertiary butyl ether, the gasoline additive that reduces air pollution, is the devil--and his savior.
FORBES: Demonizing for Dollars