Indonesian to English
| bilangan taraf derau | noise rating number |
| bilangan | amount, numeral, calculation, fate, group |
| taraf | standard, degree, level |
| derau | sound of roaring (wind-borne rain, etc.) |
| bilangan taraf derau | noise rating number |
| bilangan | amount, numeral, calculation, fate, group |
| taraf | standard, degree, level |
| derau | sound of roaring (wind-borne rain, etc.) |