What does PDR stand for?
PDR stands for "Parallel Downflow Rinse"
How to abbreviate "Parallel Downflow Rinse"?
"Parallel Downflow Rinse" can be abbreviated as PDR
What is the meaning of PDR abbreviation?
The meaning of PDR abbreviation is "Parallel Downflow Rinse"
What does PDR mean?
PDR as abbreviation means "Parallel Downflow Rinse"
