What does UD stand for?
UD stands for "Uni-Directional"
How to abbreviate "Uni-Directional"?
"Uni-Directional" can be abbreviated as UD
What is the meaning of UD abbreviation?
The meaning of UD abbreviation is "Uni-Directional"
What does UD mean?
UD as abbreviation means "Uni-Directional"
