activated sludge organism
活性淤泥生物
热门单词
- abrasive belt surface grinder
- accidental sampling
- Acelan
- acetaldehyde
- acetyl phenol
- achromatosis
- acid-proof apparatus
- acoustic sensor
- acquired character
- acrolein test
- acrylate plastic paint
- acrylic glass ruler
- actifier column
- additional roller table
- adenine phosphate
- adiposity
- Adult Basic Learning Examination
- adult disease control
- aerial observer
- aerodermectasia
- aeronautical and astronautical psychology
