acoustical absorptivity
吸声系数, 声吸收率
热门单词
- a flight of fancy
- a man about town
- a true blue
- abnormal dispersion
- abrasive slurry
- absolute case
- absolute program loader
- absorber spring
- ACC
- accessories
- accommodation plan
- accompanist
- accumulation accounts
- acetaldehyde ammonia
- acetylene buoy
- acetylene dichloride
- acetylene series
- achlorhydric anemia
- acid Bessemer converter
- acid bromide
- acid diamide
