What does OTR stand for?
OTR stands for "Ozone Transport Region"
How to abbreviate "Ozone Transport Region"?
"Ozone Transport Region" can be abbreviated as OTR
What is the meaning of OTR abbreviation?
The meaning of OTR abbreviation is "Ozone Transport Region"
What does OTR mean?
OTR as abbreviation means "Ozone Transport Region"
