细颗粒物 xìkēlìwù fine particulate matter Definitions Defs Origin Strokes Stroke Words Sentences Sents 细颗粒物 細顆粒物 xìkēlìwù fine particulate matter Fine air pollutants consisting of particles with a diameter of 2.5 micrometers or less; a key indicator of air quality also known as PM2.5. Cross-References Same as 可入肺颗粒物 kěrùfèikēlìwù细悬浮微粒 xìxuánfúwēilì
细颗粒物 細顆粒物 xìkēlìwù fine particulate matter Fine air pollutants consisting of particles with a diameter of 2.5 micrometers or less; a key indicator of air quality also known as PM2.5. Cross-References Same as 可入肺颗粒物 kěrùfèikēlìwù细悬浮微粒 xìxuánfúwēilì