What does A/A/O stand for?

A/A/O stands for "anaerobic/anoxic/oxic"

How to abbreviate "anaerobic/anoxic/oxic"?

"anaerobic/anoxic/oxic" can be abbreviated as A/A/O

What is the meaning of A/A/O abbreviation?

The meaning of A/A/O abbreviation is "anaerobic/anoxic/oxic"

What does A/A/O mean?

A/A/O as abbreviation means "anaerobic/anoxic/oxic"