| fly ash Finely divided particles of ash that are entrained in flue gases resulting from the combustion of fuel or other material. The particles of ash may contain incompletely burned fuel and other pollutants | 飞灰 (分散的细固体颗粒，夹带在烟气中，由燃料或其他物质的燃烧产生。这些灰尘颗粒可能包括有未燃烧完全的燃料和其他污染物质。) |
