activated sludge aeration
活性污泥曝气(作用)
热门单词
- Aalborg
- abdominal type
- abnormity
- abortifacient
- abrasive
- abrasive peeling
- abridged drawing
- absciss layer
- absinthium
- absolute inflation
- absolute monarchy
- absorbent filter
- absorption spectrometer
- acanth-
- accelerated goods traffic
- accessory claim
- accessory lacrimal gland
- accumulating conveyer
- acetic oxide
- acetonaemia
- acetone dichloride
