What does OSA stand for?
OSA stands for "oxic-settling-anoxic"
How to abbreviate "oxic-settling-anoxic"?
"oxic-settling-anoxic" can be abbreviated as OSA
What is the meaning of OSA abbreviation?
The meaning of OSA abbreviation is "oxic-settling-anoxic"
What does OSA mean?
OSA as abbreviation means "oxic-settling-anoxic"
